Bed-chair dual-purpose deformable wheelchair

Abstract

The utility model belongs to the technical field of medical care equipment, and particularly relates to a bed-chair dual-purpose deformable wheelchair. The bed-chair dual-purpose deformable wheelchair comprises a wheelchair body and a fixing mechanism, the wheelchair body comprises a seat plate, a back plate hinged to the rear end of the seat plate, a leg plate hinged to the front end of the seat plate, a seat plate frame fixedly arranged at the bottom of the seat plate, a back plate moving frame arranged at the bottom of the seat plate and capable of moving outwards relative to the seat plate frame, and a leg plate moving frame arranged at the bottom of the seat plate and capable of moving outwards relative to the seat plate frame. The fixing mechanism comprises a first fixing assembly arranged between the back plate moving frame and the seat plate and a second fixing assembly arranged between the leg plate moving frame and the seat plate. During use, a medical worker adjusts and fixes the positions of the back plate moving frame and the leg plate moving frame through the first fixing assembly and the second fixing mechanism, conversion of two forms of a wheelchair and a bed is achieved, a patient does not need to be moved back and forth between a sickbed and the wheelchair, pain suffered by the patient is reduced, and care of the medical worker is facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of medical care equipment, and particularly relates to a deformable wheelchair that can be used as both a bed and a chair. Background Art

[0002] At present, for patients with limited mobility, when going out or traveling between different examination rooms, they mainly rely on wheelchairs for assistance. However, during the process of transferring patients from the hospital bed to the wheelchair, not only does it require a lot of manpower, but it may also cause secondary injuries to the patients. In the prior art, most of them install rollers at the bottom of the hospital bed, and such movable hospital beds are used when transferring patients. However, such hospital beds take up a large amount of space, are clumsy to move, and cannot be transformed between the form of a hospital bed and a wheelchair in terms of shape, which is not convenient for users to operate. Content of the Utility Model

[0003] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a deformable wheelchair that can be used as both a bed and a chair and is simple to operate and convenient to use.

[0004] The utility model adopts the following technical scheme:

[0005] A deformable wheelchair that can be used as both a bed and a chair, comprising a wheelchair body and a fixing mechanism; the wheelchair body includes a seat board, a back board hinged to the rear end of the seat board, a leg board hinged to the front end of the seat board, a seat board frame fixedly arranged at the bottom of the seat board, a back board moving frame arranged at the bottom of the seat board and capable of moving outwards relative to the seat board frame, and a leg board moving frame arranged at the bottom of the seat board and capable of moving outwards relative to the seat board frame; the fixing mechanism includes a first fixing component arranged between the back board moving frame and the seat board for fixing the back board moving frame and a second fixing component arranged between the leg board moving frame and the seat board for fixing the leg board moving frame.

[0006] Further, the back board moving frame includes two relatively arranged back board support legs and a first connecting rod formed between the two back board support legs; the leg board moving frame includes two relatively arranged leg board support legs and a second connecting rod formed between the two leg board support legs; the seat board includes two back board moving grooves formed at its bottom for the two back board support legs to move back and forth and two leg board moving grooves formed at its bottom between the two back board moving grooves for the two leg board support legs to move back and forth.

[0007] Further, the back board support leg includes a back board support cross bar and a back board support vertical bar vertically arranged on the back board support cross bar and extending downwards; the leg board support leg includes a leg board support cross bar and a leg board support vertical bar vertically arranged on the leg board support cross bar and extending downwards; the two back board support cross bars can be arranged to move back and forth in the two back board moving grooves, and the two leg board support cross bars can be arranged to move back and forth in the two leg board moving grooves.

[0008] Further, the first fixing component includes an elastic fixing rod movably arranged on the backboard moving groove, first fixing holes and second fixing holes arranged on both sides of the elastic fixing rod, and a left positioning hole opposite to the first fixing hole and a right positioning hole opposite to the second fixing hole respectively arranged at both ends of the backboard support cross bar. When the included angle between the backboard and the seat board is 180 degrees, the elastic fixing rod can be sequentially inserted into the second fixing hole and the right positioning hole.

[0009] Further, an installation part for installing the elastic fixing rod extends outward from one side of the backboard moving groove. The elastic fixing rod includes a fixing rod body movably arranged in the installation part, a return spring arranged on the outer periphery of the fixing rod body, and a positioning rod body extending outward from one side of the fixing rod body and capable of being inserted into the first fixing hole or the second fixing hole. A limiting section for abutting against the return spring is formed in the installation part.

[0010] Further, a movable handle is formed on one side of the fixing rod body. The positioning rod body includes a positioning section that can sequentially pass through the first fixing hole and the left positioning hole or the second fixing hole and the right positioning hole, and an extension section vertically arranged on the positioning section and connected to the fixing rod body.

[0011] Further, the wheelchair body further includes two guardrails extending upward on both sides of the seat board frame, a plurality of steering wheels arranged on the peripheries of the bottoms of the two backboard support legs, the two leg board support legs and the seat board frame, two wheels arranged on both sides of the bottom of the seat board frame, and a drive motor arranged on the seat board frame for driving the two wheels to rotate.

[0012] Further, a control mechanism for controlling the start of the drive motor and the moving direction of the steering wheels is further included. The control mechanism includes a console arranged on one side of the seat board frame, a controller arranged in the console, and a plurality of control buttons arranged on the console and connected to the controller. The drive motor and the steering wheels are respectively connected to the controller.

[0013] Further, an angle adjustment mechanism is further included. The angle adjustment mechanism includes a backboard angle adjustment component arranged between the backboard and the seat board for adjusting the included angle between the backboard and the seat board, and a leg board angle adjustment component arranged between the leg board and the seat board for adjusting the included angle between the leg board and the seat board.

[0014] Further, the wheelchair body further includes soft pads arranged on the top surfaces of the seat board, the backboard and the leg board, and two brake handles oppositely arranged on the backboard.

[0015] As described above for the present utility model, compared with the prior art, the beneficial effects of the present utility model are as follows: Through the cooperation of the wheelchair body and the fixing mechanism, during use, medical staff can adjust and fix the positions of the backrest moving frame and the leg plate moving frame through the first fixing component and the second fixing mechanism, realizing the transformation between two forms of the wheelchair and the bed, eliminating the need to move the patient back and forth between the hospital bed and the wheelchair, reducing the pain suffered by the patient, and also facilitating the care of medical staff; when the backrest, seat board, and leg plate are on the same horizontal plane, the backrest moving frame, seat board frame, and leg plate moving frame can form a bed body; when the backrest and leg plate are respectively vertically arranged on the seat board, the backrest moving frame, seat board frame, and leg plate moving frame can be stored in the seat board frame.

[0016] Through the cooperation between the steering wheels provided at the bottoms of the seat board frame, backrest moving frame, and leg plate moving frame, the wheels provided at the bottom of the seat board frame, the drive motor provided on the seat board frame for driving the wheels, and the control mechanism for controlling the start of the drive motor and the moving direction of the steering wheels, the wheelchair can be assisted to move, facilitating the patient to use it alone.

[0017] Through the cooperation between the backrest angle adjustment component provided between the backrest and the seat board and the leg plate angle adjustment component provided between the leg plate and the seat board, the positions of the backrest and the leg plate can be adjusted respectively, improving the comfort of the patient. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 Structural schematic of a deformable wheelchair Figure 1 。

[0019] Figure 2 Structural schematic of a deformable wheelchair Figure 2 。

[0020] Figure 3 Structural schematic of a deformable wheelchair Figure 3 。

[0021] Figure 4 It is a schematic exploded view of a deformable wheelchair.

[0022] Figure 5 For Figure 3 Cross-sectional view from a top-down perspective.

[0023] Figure 6 For Figure 5 Partial enlarged view of...

[0024] In the figure: 1 - wheelchair body, 11 - seat board, 111 - back board moving groove, 112 - leg board moving groove, 113 - mounting part, 114 - limiting section, 12 - back board, 13 - leg board, 14 - seat board frame, 141 - guardrail, 142 - wheel, 143 - drive motor, 15 - back board moving frame, 151 - back board support leg, 152 - first connecting rod, 153 - back board support cross bar, 154 - back board support vertical bar, 16 - leg board moving frame, 161 - leg board support leg, 162 - second connecting rod, 163 - leg board support cross bar, 164 - leg board support vertical bar, 17 - steering wheel, 18 - cushion, 19 - brake handle, 2 - fixing mechanism, 21 - first fixing component, 22 - second fixing component, 23 - elastic fixing rod, 231 - fixing rod body, 232 - return spring, 233 - positioning rod body, 234 - movable handle, 235 - positioning section, 236 - extension section, 24 - first fixing hole, 25 - second fixing hole, 26 - left positioning hole, 27 - right positioning hole, 3 - control mechanism, 31 - control console, 32 - control button, 4 - angle adjusting mechanism, 41 - back board angle adjusting component, 42 - leg board angle adjusting component. Detailed implementation manners

[0025] The following further describes the present utility model through specific implementation manners.

[0026] As Figures 1 to 6 shown, this implementation provides a deformable wheelchair that can be used as both a bed and a chair, including a wheelchair body 1, a fixing mechanism 2, a control mechanism 3, and an angle adjusting mechanism 4.

[0027] The wheelchair body 1 includes a seat board 11, a back board 12 hinged to the rear end of the seat board 11, a leg board 13 hinged to the front end of the seat board 11, a seat board frame 14 fixedly arranged at the bottom of the seat board 11, a back board moving frame 15 arranged at the bottom of the seat board 11 and capable of moving outwards relative to the seat board frame 14, and a leg board moving frame 16 arranged at the bottom of the seat board 11 and capable of moving outwards relative to the seat board frame 14; when the back board 12, the seat board 11 and the leg board 13 are on the same horizontal plane, the back board moving frame 15, the seat board frame 14 and the leg board moving frame 16 can form a bed body, enabling the patient to lie flat on the wheelchair body 1; when the back board 12 and the leg board 13 are respectively vertically arranged on the seat board 11, the back board moving frame 15 and the leg board moving frame 16 can be received in the seat board frame 14, enabling the patient to sit upright on the wheelchair body 1; specifically, the back board moving frame 15 includes two relatively arranged back board support legs 151 and a first connecting rod 152 formed between the two back board support legs 151, and the leg board moving frame 16 includes two relatively arranged leg board support legs 161 and a second connecting rod 162 formed between the two leg board support legs 161; wherein, the seat board 11 includes two back board moving grooves 111 formed at its bottom for the two back board support legs 151 to move back and forth and two leg board moving grooves 112 formed at its bottom between the two back board moving grooves 111 for the two leg board support legs 161 to move back and forth; further, the wheelchair body 1 further includes two guardrails 141 extending upwards on both sides of the seat board frame 14, several steering wheels 17 arranged around the bottoms of the two back board support legs 151, the two leg board support legs 161 and the seat board frame 14, two wheels 142 arranged on both sides of the bottom of the seat board frame 14, and a driving motor 143 arranged on the seat board frame 14 for driving the two wheels 142 to rotate; the driving motor 143 drives the two wheels 142 to rotate, thereby moving the wheelchair body 1; further, the wheelchair body 1 further includes a cushion 18 arranged on the top surfaces of the seat board 11, the back board 12 and the leg board 13 and two brake handles 19 arranged relatively on the back board 12.

[0028] The back board support leg 151 includes a back board support cross bar 153 and a back board support vertical bar 154 vertically arranged on the back board support cross bar 153 and extending downwards; the leg board support leg 161 includes a leg board support cross bar 163 and a leg board support vertical bar 164 vertically arranged on the leg board support cross bar 163 and extending downwards; wherein, the two back board support cross bars 153 can be movably arranged back and forth in the two back board moving grooves 111, and the two leg board support cross bars 163 can be movably arranged back and forth in the two leg board moving grooves 112.

[0029] Fixing mechanism 2, including a first fixing component 21 disposed between the backrest moving frame 15 and the seat plate 11 for fixing the backrest moving frame 15, and a second fixing component 22 disposed between the leg plate moving frame 16 and the seat plate 11 for fixing the leg plate moving frame 16; by adjusting and fixing the positions of the backrest moving frame 15 and the leg plate moving frame 16 through the first fixing component 21 and the second fixing mechanism 22, the transformation between two forms of the wheelchair and the bed is realized, and medical staff do not need to move the patient back and forth between the hospital bed and the wheelchair, reducing the pain suffered by the patient and facilitating the care of medical staff; specifically, the first fixing component 21 includes an elastic fixing rod 23 movably disposed on the backrest moving groove 111, first fixing holes 24 and second fixing holes 25 disposed on both sides of the elastic fixing rod 23, and left positioning holes 26 that can be opposite to the first fixing holes 24 and right positioning holes 27 that can be opposite to the second fixing holes 25 respectively disposed at both ends of the backrest support cross bar 153. When the angle between the backrest 12 and the seat plate 11 is 180 degrees, the elastic fixing rod 23 can be sequentially inserted into the second fixing hole 25 and the right positioning hole 27; further, an installation portion 113 for installing the elastic fixing rod 23 extends outward from one side of the backrest moving groove 111. The elastic fixing rod 23 includes a fixing rod body 231 movably disposed in the installation portion 113, a return spring 232 disposed on the outer periphery of the fixing rod body 231, and a positioning rod body 233 extending outward from one side of the fixing rod body 231 and capable of being inserted into the first fixing hole 24 or the second fixing hole 25. A limiting section 114 that can abut against the return spring 232 is formed in the installation portion 113; during the process of transforming the wheelchair into a bed, first, the positioning rod bodies 233 on the two elastic fixing rods 23 disposed on the two backrest moving grooves 111 are respectively pulled out from the first fixing hole 24 and the left positioning hole 26, the fixing rod body 231 is rotated so that the positioning rod body passes through the second fixing hole 25 and abuts against the side surface of the backrest support cross bar 153, and the return spring 232 on the fixing rod body 231 is squeezed by the limiting section 114. Then, the medical staff moves the backrest moving frame outward. When the right positioning hole 27 on the backrest support cross bar 153 is opposite to the second fixing hole 17, the return spring 232 on the fixing rod body 231 resets, so that the positioning rod body 233 sequentially passes through the second fixing hole 25 and the right positioning hole 27, thereby fixing the position of the backrest moving frame 15. At this time, the backrest moving frame 15 is fixedly supported under the backrest 12; further, a movable handle 234 is formed on one side of the fixing rod body 231. The positioning rod body 233 includes a positioning section 235 that can sequentially pass through the first fixing hole 24 and the left positioning hole 26 or the second fixing hole 25 and the right positioning hole 27, and an extension section 236 vertically disposed on the positioning section 235 and connected to the fixing rod body 231.

[0030] The second fixing component 22, which is the same as the first fixing component 21, has the same cooperation mode with the leg plate moving groove 112 and the leg plate moving frame 16 as that of the first fixing component 21 with the backboard moving groove 111 and the backboard moving frame 15, and no further description of its specific structure will be given here.

[0031] The control mechanism 3 is used to control the start of the driving motor 143 and the moving direction of the steering wheel 17. Specifically, the control mechanism 3 includes a console 31 arranged on one side of the seat plate frame 14, a controller arranged in the console 31, and a plurality of control buttons 32 arranged on the console 31 and connected to the controller. The driving motor 143 and the steering wheel 17 are respectively connected to the controller. When in use, the patient can respectively control the driving motor 143 to drive the wheel 142 to rotate and the moving direction of the steering wheel 17 through the plurality of control buttons 32, so as to drive the wheelchair body 1 to move. The operation is simple and convenient for the patient to use alone. Further, the controller is a single-chip microcomputer.

[0032] The angle adjustment mechanism 4 includes a backboard angle adjustment component 41 arranged between the backboard 12 and the seat plate 11 for adjusting the included angle between the backboard 12 and the seat plate 11, and a leg plate angle adjustment component 42 arranged between the leg plate 13 and the seat plate 11 for adjusting the included angle between the leg plate 13 and the seat plate 11. Through the cooperation between the backboard angle adjustment component 41 and the leg plate angle adjustment component 42, the positions of the backboard 12 and the leg plate 13 can be respectively adjusted to improve the comfort of the patient. Specifically, the backboard angle adjustment component 41 and the leg plate angle adjustment component 42 are common seat angle adjusters in the prior art, and no further description of their specific structures and working principles will be given here.

[0033] In summary, by means of the above technical solutions of the present utility model, through the cooperation between the wheelchair body 1 and the fixing mechanism 2, the transformation between the two forms of the wheelchair and the bed can be realized. Medical staff do not need to move the patient back and forth between the hospital bed and the wheelchair, reducing the pain suffered by the patient and facilitating the care of medical staff. In addition, through the cooperation between the steering wheels 17 arranged at the bottoms of the seat plate frame 14, the backboard moving frame 15 and the leg plate moving frame 16, the wheels 142 arranged at the bottom of the seat plate frame 14, the driving motor 143 arranged on the seat plate frame 14 for driving the wheels 142, and the control mechanism 2 for controlling the start of the driving motor 143 and the moving direction of the steering wheels 17, the patient can be assisted to move the wheelchair, which is convenient for the patient to use alone. In addition, through the cooperation between the backboard angle adjustment component 41 arranged between the backboard 12 and the seat plate 11 and the leg plate angle adjustment component 42 arranged between the leg plate 13 and the seat plate 11, the positions of the backboard 12 and the leg plate 13 can be respectively adjusted to improve the comfort of the patient.

[0034] The above are only the preferred embodiments of the present utility model, and thus cannot limit the scope of implementation of the present utility model. That is, equivalent changes and modifications made according to the scope of the present utility model application and the content of the specification should still fall within the scope covered by the present utility model application.

Claims

1. A transformable wheelchair that can be used as a bed or chair, characterized in that: It comprises a wheelchair body and a fixing mechanism; the wheelchair body comprises a seat, a back panel hinged to the rear end of the seat, a leg panel hinged to the front end of the seat, a seat frame fixedly arranged at the bottom of the seat, a back panel movable frame arranged at the bottom of the seat and movable outward relative to the seat frame, and a leg panel movable frame arranged at the bottom of the seat and movable outward relative to the seat frame; the fixing mechanism comprises a first fixing component arranged between the back panel movable frame and the seat for fixing the back panel movable frame, and a second fixing component arranged between the leg panel movable frame and the seat for fixing the leg panel movable frame.

2. The transformable wheelchair that can be used as a bed and chair according to claim 1, characterized in that: The backboard moving frame includes two backboard supporting legs arranged opposite to each other and a first connecting rod formed between the two backboard supporting legs, and the leg board moving frame includes two leg board supporting legs arranged opposite to each other and a second connecting rod formed between the two leg board supporting legs; the seat board includes two backboard moving grooves formed at the bottom thereof for the two backboard supporting legs to move back and forth, and two leg board moving grooves formed at the bottom thereof and located between the two backboard moving grooves for the two leg board supporting legs to move back and forth.

3. The transformable wheelchair that can be used as a bed and chair according to claim 2, characterized in that: The back panel support leg includes a back panel support cross bar and a back panel support vertical bar vertically arranged on the back panel support cross bar and extending downward; the leg panel support leg includes a leg panel support cross bar and a leg panel support vertical bar vertically arranged on the leg panel support cross bar and extending downward; the two back panel support cross bars can be moved back and forth in two back panel moving grooves, and the two leg panel support cross bars can be moved back and forth in two leg panel moving grooves.

4. The transformable wheelchair that can be used as a bed and chair according to claim 3, characterized in that: The first fixing component includes an elastic fixing rod movably arranged on the movable groove of the back panel, a first fixing hole and a second fixing hole arranged on both sides of the elastic fixing rod, and a left positioning hole and a right positioning hole respectively arranged at both ends of the back panel supporting cross bar and opposite to the first fixing hole. When the angle between the back panel and the seat panel is 180 degrees, the elastic fixing rod can be embedded in the second fixing hole and the right positioning hole in turn.

5. The transformable wheelchair that can be used as a bed and chair according to claim 4, characterized in that: One side of the back plate moving groove extends outward to form a mounting portion for mounting an elastic fixing rod, and the elastic fixing rod includes a fixing rod body movably arranged in the mounting portion, a return spring arranged outside the fixing rod body, and a positioning rod body extending outward from one side of the fixing rod body to form a positioning rod body that can be embedded in the first fixing hole or the second fixing hole, and a limiting section that can abut against the return spring is formed in the mounting portion.

6. The transformable wheelchair that can be used as a bed and chair according to claim 5, characterized in that: A movable handle is formed on one side of the fixing rod body, and the positioning rod body includes a positioning section that can pass through the first fixing hole and the left positioning hole or the second fixing hole and the right positioning hole in sequence, and an extension section vertically arranged on the positioning section and connected to the fixing rod body.

7. The transformable wheelchair that can be used as a bed and chair according to claim 2, characterized in that: The wheelchair body also includes two guardrails extending upward on both sides of the seat frame, a plurality of steering wheels arranged around the two back support legs, the two leg support legs and the bottom of the seat frame, two wheels arranged on both sides of the bottom of the seat frame, and a driving motor arranged on the seat frame for driving the two wheels to rotate.

8. The transformable wheelchair that can be used as a bed and chair according to claim 7, characterized in that: It also includes a control mechanism for controlling the start of the drive motor and the moving direction of the steering wheel. The control mechanism includes a control console arranged on one side of the seat frame, a controller arranged in the control console, and a plurality of control buttons arranged on the control console and connected to the controller. The drive motor and the steering wheel are respectively connected to the controller.

9. The transformable wheelchair that can be used as a bed and chair according to claim 1, characterized in that: It also includes an angle adjustment mechanism, which includes a backboard angle adjustment component arranged between the backboard and the seat board for adjusting the angle between the backboard and the seat board, and a leg board angle adjustment component arranged between the leg board and the seat board for adjusting the angle between the leg board and the seat board.

10. The transformable wheelchair that can be used as a bed and chair according to claim 1, characterized in that: The wheelchair body also includes soft pads arranged on the top surfaces of the seat plate, the back plate and the leg plate, and two brake handles arranged oppositely on the back plate.

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