阅读说明：本技术 一种可转换为医疗用床的多功能轮椅及其控制方法 (Multifunctional wheelchair convertible into medical bed and control method thereof ) 是由 周小华 吴涛 王宇 许伟杰 于 2019-11-05 设计创作，主要内容包括：本发明涉及一种可转换为医疗用床的多功能轮椅及其控制方法,属于医疗器械领域。本发明包括可移动床板机构、轮椅转换控制系统、轮椅行进控制系统、智能马桶系统。本发明能有效帮助下半身瘫痪人群、腿脚行动不便人群和体弱的老年人士简单方便安全的实现从床上到轮椅上,并能在无人照看情况下进行基本的活动,为下半身瘫痪人群、腿脚行动不便人群和体弱的老年人士的生活提供了极好的便利性。(The invention relates to a multifunctional wheelchair capable of being converted into a medical bed and a control method thereof, belonging to the field of medical instruments. The invention comprises a movable bed plate mechanism, a wheelchair conversion control system, a wheelchair advancing control system and an intelligent closestool system. The invention can effectively help the paralyzed lower body, the people with disabled legs and feet and the weak old to realize the simple, convenient and safe movement from the bed to the wheelchair, can perform the basic movement without the help of the people, and provides excellent convenience for the life of the paralyzed lower body, the people with disabled legs and feet and the weak old.)

1. A multifunctional wheelchair convertible into a hospital bed, characterized in that: comprises a movable bed plate mechanism, a wheelchair conversion control system and a wheelchair advancing control system;

the movable bed board mechanism comprises: the multifunctional table lamp comprises a lifting support (1), a full-color LED table lamp (2), a wireless remote controller (3), a bedside guardrail (4), a movable wheel (12), a table board support frame (13), a storage box (14), an ABS guardrail (15), a small-sized animal battery (16), a support baffle (17), a fixed table board (18), a buckle (19), a wheel fixer (20), a buckle rotating device (21) and a distance sensor (22); the lifting bracket (1) is connected on the fixed bed board (18), and the ABS guardrail (15) is inserted into a guide post extending out of the rear end of the fixed bed board (18); the wireless remote controller (3) is arranged on the bedside guardrail (4) at a position close to the rear end; a transmission shaft on a hub in the movable wheel (12) is connected in a bearing in a wheel fixer (20), and the wheel fixer (20) is fixed around the bed plate support frame (13); the buckle (19) is arranged in a buckle rotating device (21), and the buckle rotating device (21) is connected to the bottom surface of the fixed bed plate (18); the distance sensor (22) is arranged in the middle of the supporting baffle plate (17), and the supporting baffle plate (17) is fixed on the lower end face of the fixed bed plate (18); the small-sized animal battery (16) is arranged on the bed board support frame (13) and respectively supplies power to the distance sensor (22) and the buckle rotating device (21) through leads;

the wheelchair switching control system comprises: the wheelchair comprises a wheelchair back plate (5), a wheelchair armrest (6), a defecation hole (7), a wheelchair seat plate (8), a wheelchair lower baffle plate (9), a connecting block (25), a push rod bracket (26), a hinge (27), an electric push rod (28), a wheelchair supporting plate (29), a limiting support column (30), a control terminal (32), a connecting rod mechanism (33), a side baffle plate (34) and a wheelchair controller (35); the wheelchair back plate (5), the wheelchair armrests (6) and the wheelchair lower baffle (9) are connected with the wheelchair seat plate (8) through hinges (27), the control terminal (32) is connected on the wheelchair supporting plate (29), the wheelchair supporting plate (29) is provided with a plurality of push rod supports (26), one ends of a plurality of electric push rods (28) are connected with the push rod supports (26) on the wheelchair supporting plate, the other ends are respectively connected on the wheelchair back plate (5) through the push rod supports (26), the wheelchair comprises a wheelchair armrest (6) and a wheelchair lower baffle (9), a wheelchair controller (35) is connected to the wheelchair armrest (6), a connecting block (25) is installed on a wheelchair back plate (5), side baffles (34) are connected to two sides of the wheelchair lower baffle (9) through a connecting rod mechanism (33) or are turned over to the lower end of the wheelchair lower baffle (9), and a limiting strut (30) corresponding to a buckle (19) is arranged on the outer side of the wheelchair armrest (6);

the wheelchair travel control system includes: the wheelchair comprises a steering wheel (10), a traveling wheel (11), a wheel fixing support (37), a motor (38), a storage battery (39) and a wheelchair foot baffle (40); the wheelchair pedal baffle (40), the storage battery (39) and the motor (38) are fixed on the wheel fixing support (37), the steering wheel (10) and the traveling wheel (11) are installed at the front end and the rear end of the wheel fixing support (37), the traveling wheel (11) is connected to a transmission shaft inside the motor (38), and the storage battery (39) supplies power to the motor (38) through a wire;

the distance sensor (22), the buckle rotating device (21), the connecting rod mechanism (33), the motor (38), the steering wheel (10) and the electric push rod (28) are all connected with a control terminal (32), and the control terminal (32) is respectively connected with the wheelchair controller (35) and the wireless remote controller (3).

2. The multifunctional wheelchair convertible to a hospital bed according to claim 1, wherein: still include intelligent closestool system, intelligent closestool system includes: the device comprises a warm air blower (42), an air supply pipe (43), a sealing cover (44), a closestool (45), a detachable excrement storage box (46), a water delivery pipe (47) and a small water storage box (48); closestool (45) are fixed in sealed lid (44) bottom surface, sealed lid (44) are connected and are equipped with the defecation hole at wheelchair bedplate (8) lower extreme and its center, electric fan heater (42) are connected in closestool (45) upper end one side through blast pipe (43), small-size storage water tank (48) are connected in closestool (45) upper end one side through raceway (47), electric fan heater (42) and small-size storage water tank (48) are connected in wheelchair bedplate (8) bottom surface simultaneously, dismantlement formula stores up excrement and urine case (46) and connects in closestool (45) bottom, electric fan heater (42), small-size storage water tank (48), be equipped with the motor in small-size storage water tank (48), the motor in electric fan heater (42) and small-size storage water tank (48) all is connected.

3. The multifunctional wheelchair convertible to a hospital bed according to claim 1, wherein: the movable bed plate mechanism further comprises a guardrail support (23), the bedside guardrail (4) is connected to the fixed bed plate (18) through the guardrail support (23), the wheelchair conversion control system further comprises a shock absorber (31), and the shock absorber (31) is connected with the wheelchair seat plate (8) and the wheelchair supporting plate (29) through bolts respectively.

4. The multifunctional wheelchair convertible to a hospital bed according to claim 1, wherein: the wheelchair travelling control system also comprises a motor rear baffle (36) and a motor side baffle (41); the motor rear baffle (36) and the motor side baffle (41) are respectively arranged at the back and two sides of the wheel fixing bracket (37).

5. The multifunctional wheelchair convertible to a hospital bed according to claim 1, wherein: the wheelchair comprises a wheelchair back plate (5), a push handle (24) is arranged at the upper part of the rear end of the wheelchair back plate (5), a plurality of control buttons are arranged on a wireless remote controller (3), and a control button and a handle for controlling the direction are arranged on a wheelchair controller (35).

6. The multifunctional wheelchair convertible to a hospital bed according to claim 1, wherein: the sealing cover (44) is connected to the lower end of the wheelchair seat plate (8) through a bolt, a sealing cover plate connected with the control terminal (32) is arranged at the defecation hole of the sealing cover (44), and a sealing cover plate connected with the control terminal (32) is arranged at the opening of the detachable excrement storage box (46).

7. The multifunctional wheelchair convertible to a hospital bed according to claim 1, wherein: the wheelchair comprises 7 electric push rods (28) and 14 push rod supports (26), wherein one electric push rod (28) is connected to a wheelchair back plate (5), two electric push rods (28) are respectively connected to wheelchair armrests (6) on two sides, and two electric push rods (28) are connected to a wheelchair lower baffle plate (9).

8. The multifunctional wheelchair convertible to a hospital bed according to claim 1, wherein: the wheelchair lower baffle (9) is 120 degrees away from the wheelchair seat plate (8) after descending, and the wireless remote controller (3) is provided with an indicator light.

9. A method of controlling a multi-function wheelchair convertible to a hospital bed according to any one of claims 1 to 8, comprising: the method comprises the following steps:

in an initial state, the multifunctional wheelchair is a medical bed, if the multifunctional wheelchair is to be converted into a wheelchair mode, a user can send information to a control terminal (32) through a wireless remote controller (3) or a button on a wheelchair controller (35), the control terminal (32) receives the signal and then sends a signal to a buckle rotating device (21), the buckle rotating device (21) receives the signal, a buckle (19) rotates 180 degrees, a limit pillar (30) is completely separated from the buckle (19), the control terminal (32) transmits the signal to an electric push rod (28) and a connecting rod mechanism (33) in an electric signal mode, under the movement of the electric push rod (28), a wheelchair back plate (5) and a wheelchair armrest (6) rise and are separated from a fixed bed plate (18), and meanwhile, a side base plate (34) retracts to the back of a wheelchair lower baffle plate (9) under the action of the connecting rod mechanism (33) and falls down to form an angle of 120 degrees with a wheelchair seat plate (8) along with the wheelchair lower baffle plate (, under the action of respective electric push rods (28) on the wheelchair back plate (5), the wheelchair armrests (6) and the wheelchair lower baffle plate (9), the wheelchair back plate (5) and the wheelchair armrests (6) can move to the position vertical to the wheelchair seat plate (8), the wheelchair lower baffle plate (9) can move to the position which is 120 degrees to the wheelchair seat plate (8), at the moment, the movable bed plate mechanism is completely separated from the wheelchair, and the wheelchair can move independently under the control of a wheelchair controller (35);

if the wheelchair is moved, a button on the wheelchair controller (35) is pressed to send information to the control terminal (32), the control terminal (32) sends a signal to enable the motor (38) to start to work, a handle on the wheelchair controller (35) is pushed forward, the control terminal (32) sends a forward rotation signal to the motor (38), the motor (38) rotates forward to drive a shaft inside the motor to rotate, a hub arranged on the shaft rotates forward, and the travelling wheel (11) starts to move under the forward rotation of the hub, so that the wheelchair travels forward; during the wheelchair running process, a handle on a wheelchair controller (38) is pushed leftwards or rightwards, at the moment, a control terminal (32) is transmitted to a steering wheel (10) in an electric signal form, the steering wheel (10) can deflect leftwards and rightwards by a corresponding angle, and at the moment, the wheelchair turns leftwards or rightwards; after a handle on a wheelchair controller (35) is pushed backwards, a control terminal (32) gives a reverse signal to a motor (38), the motor (38) reverses to drive a shaft inside the motor to rotate, so that a hub arranged on the shaft reverses, and a travelling wheel (11) starts to move under the condition of the reverse rotation of the hub, so that the wheelchair retreats;

when a user needs to relieve the bowels, a command is sent to the control terminal (32) through a button of the wheelchair controller (35) or the wireless remote controller (3), the control terminal (32) enables a sealing cover plate on the sealing cover (44) and a sealing cover plate at an opening of the detachable excrement storage box (46) to be opened, after the defecation is finished, a cleaning button on the wheelchair controller (35) or the wireless remote controller (3) is pressed to send a signal to the control terminal (32), the control terminal (32) controls a motor inside the small water storage box (48) to operate, clear water in the small water storage box (48) continuously washes the buttocks of the user for a preset washing time through a water conveying pipe (47), dirt on the inner wall of the closestool (45) is washed into the detachable excrement storage box (46), and when the motor in the small water storage box (48) stops operating, the sealing cover plate of the detachable excrement storage box (46) is automatically closed, at the moment, the control terminal (32) controls the fan heater (42) to start working, after the preset blowing time is reached, the fan heater (42) stops running, and at the moment, the sealing cover plate on the sealing cover (44) is automatically closed;

when a user wants to lie flat and rest, a signal is sent to a control terminal (32) by using a descending button on a wheelchair controller (35) or a wireless remote controller (3), the control terminal (32) transmits the signal to an electric push rod (28) in the form of an electric signal through a lead, the wheelchair back plate (5) and the wheelchair armrest (6) are pulled by the electric push rod (28) on the wheelchair back plate (5) and the wheelchair armrest (6) to slowly descend, the wheelchair lower baffle plate (9) ascends under the pushing of the electric push rod (28) on the wheelchair lower baffle plate (9), a side cushion plate (34) stretches to a plane which is flush with the wheelchair lower baffle plate (9) under the action of a link mechanism (33), and the wheelchair back plate (5), the wheelchair armrest (6) and the wheelchair lower baffle plate (9) move to a position which is flush with a seat plate (8) under the action of the wheelchair back plate (5), the wheelchair armrest (6) and the electric push rod (28) on the wheelchair lower baffle plate (, at the moment, the distance sensor (22) can sense the position information of the connecting block (25) on the wheelchair back plate (5), when the connecting block (25) reaches a preset position, the distance sensor (22) can give a signal to the control terminal (32), the control terminal (32) transmits the signal to the wireless remote controller (3) and the wheelchair controller (35), the wireless remote controller (3) can light up, a locking button on the wireless remote controller (3) or the wheelchair controller (35) is pressed, the buckle rotating device (21) can enable the buckle (19) to rotate 180 degrees, the buckle (19) can be buckled with the limiting strut (30), the wheelchair and the moving bed plate mechanism are tightly and firmly connected into a whole, when the wheelchair and the moving bed plate mechanism are combined into a medical bed, a user can control the whole movement of the bed by using the button on the wireless remote controller (3) or the wheelchair controller (35), the control terminal (32) is sent by a button on the wireless remote controller (3) or a handle on the wheelchair controller (35), and the control terminal controls the medical bed to move forwards and backwards, turn left and turn right by controlling the movement of the travelling wheels (11) and the steering wheels (10).

10. The method of claim 9, wherein the method comprises the steps of: the preset flushing time and the preset blowing time are both 30 seconds.

Technical Field

The invention relates to a multifunctional wheelchair capable of being converted into a medical bed and a control method thereof, belonging to the field of medical instruments.

Technical Field

At present, the lower-body paralysis people, the people with the disabled legs and feet and the weak old people mostly depend on wheelchairs to move at ordinary times, the movement between the wheelchairs and the bed is very difficult, and the assistance of accompanying personnel is basically needed, so that the lower-body paralysis people, the people with the disabled legs and feet and the weak old people need to be attended by nursing personnel at all times, the burden is increased for the lower-body paralysis people, the people with the disabled legs and feet and the weak old people, and the waste of material resources and human resources is caused. At present, only a single medical sickbed or a common wheelchair is available in the market, and the medical sickbed or the common wheelchair cannot be used as a whole to provide convenient life for the paralyzed lower part of the body, the people with the legs and the feet inconvenient to move and the weak old people.

Disclosure of Invention

The invention aims to solve the technical problem of providing a multifunctional wheelchair capable of being converted into a medical bed and a control method thereof, aiming at the defects of the prior art, the multifunctional wheelchair can simultaneously meet the requirements of the paralyzed lower body, the people with inconvenient movement of legs and feet and the weak old people to conveniently move between the medical bed and the wheelchair, and can carry out basic activities.

The technical scheme adopted by the invention is as follows: a multifunctional wheelchair convertible into a medical bed comprises a movable bed plate mechanism, a wheelchair conversion control system and a wheelchair advancing control system;

the movable bed board mechanism comprises: the multifunctional bedside table lamp comprises a lifting bracket 1, a full-color LED table lamp 2, a wireless remote controller 3, a bedside guardrail 4, a movable wheel 12, a bed board support frame 13, a storage box 14, an ABS guardrail 15, a small-sized animal battery 16, a support baffle 17, a fixed bed board 18, a buckle 19, a wheel fixer 20, a buckle rotating device 21 and a distance sensor 22; the lifting bracket 1 is connected on the fixed bed plate 18, and the ABS guardrail 15 is inserted into a guide pillar extending out of the rear end of the fixed bed plate 18; the wireless remote controller 3 is arranged on the bedside guardrail 4 and is close to the rear end; a transmission shaft on a hub in the movable wheel 12 is connected in a bearing in a wheel fixer 20, and the wheel fixer 20 is fixed around the bed plate support frame 13; the buckle 19 is arranged in a buckle rotating device 21, and the buckle rotating device 21 is connected to the bottom surface of the fixed bed plate 18; the distance sensor 22 is arranged in the middle of the supporting baffle 17, and the supporting baffle 17 is fixed on the lower end face of the fixed bed plate 18; the small-sized animal battery 16 is arranged on the bed board support frame 13 and respectively supplies power to the distance sensor 22 and the buckle rotating device 21 through leads;

the wheelchair switching control system comprises: the wheelchair comprises a wheelchair back plate 5, a wheelchair armrest 6, a defecation hole 7, a wheelchair seat plate 8, a wheelchair lower baffle plate 9, a connecting block 25, a push rod bracket 26, a hinge 27, an electric push rod 28, a wheelchair supporting plate 29, a limit pillar 30, a shock absorber 31, a control terminal 32, a connecting rod mechanism 33, a side baffle plate 34 and a wheelchair controller 35; the wheelchair back plate 5, the wheelchair armrest 6 and the wheelchair lower baffle 9 are connected with the wheelchair seat plate 8 through hinges 27, the control terminal 32 is connected to the wheelchair support plate 29, a plurality of push rod supports 26 are arranged on the wheelchair support plate 29, one ends of a plurality of electric push rods 28 are connected to the wheelchair support plate through the push rod supports 26, and the other ends of the electric push rods are respectively connected to the wheelchair back plate 5, the wheelchair armrest 6 and the wheelchair lower baffle 9 through the push rod supports 26; the wheelchair controller 35 is connected to the wheelchair armrest 6, the connecting block 25 is installed on the wheelchair back plate 5, the side baffle plates 34 are connected to two sides of the wheelchair lower baffle plate 9 through the connecting rod mechanism 33 or are turned over to the lower end of the wheelchair lower baffle plate 9, and the limiting support columns 30 corresponding to the buckles 19 are arranged on the outer side of the wheelchair armrest 6;

the wheelchair travel control system includes: a steering wheel 10, a traveling wheel 11, a wheel fixing bracket 37, a motor 38, a storage battery 39 and a wheelchair foot baffle 40; the wheelchair foot baffle 40, the storage battery 39 and the motor 38 are fixed on the wheel fixing support 37, the steering wheel 10 and the travelling wheel 11 are installed at the front end and the rear end of the wheel fixing support 37, the travelling wheel 11 is connected to a transmission shaft in the motor 38, and the storage battery 39 supplies power to the motor 38 through a lead;

the distance sensor 22, the buckle rotating device 21, the link mechanism 33, the motor 38, the steering wheel 10 and the electric push rod 28 are all connected with a control terminal 32, and the control terminal 32 is respectively connected with the wheelchair controller 35 and the wireless remote controller 3.

Preferably, also include intelligent closestool system, intelligent closestool system includes: a warm air blower 42, an air supply pipe 43, a sealing cover 44, a closestool 45, a detachable excrement storage box 46, a water delivery pipe 47 and a small water storage box 48; closestool 45 is fixed in sealed lid 44 bottom surface, sealed lid 44 is connected and is equipped with the defecation hole at 8 lower extremes of wheelchair bedplate and its center, electric fan heater 42 passes through blast pipe 43 and connects in closestool 45 upper end one side, small-size storage water tank 48 passes through raceway 47 and connects in closestool 45 upper end one side, electric fan heater 42 and small-size storage water tank 48 connect in 8 bottom surfaces of wheelchair bedplate simultaneously, dismantlement formula storage water tank 46 is connected in closestool 45 bottom, electric fan heater 42, small-size storage water tank 48, be equipped with the motor in the small-size storage water tank 48, the motor in electric fan heater 42 and the small-size storage.

Preferably, the movable bed board mechanism further comprises a guardrail bracket 23, the bedside guardrail 4 is connected to the fixed bed board 18 through the guardrail bracket 23, the wheelchair conversion control system further comprises a shock absorber 31, and the shock absorber 31 is respectively connected with the wheelchair seat board 8 and the wheelchair supporting board 29 through bolts.

Preferably, the wheelchair travel control system further comprises a motor rear baffle 36, a motor side baffle 41; the motor rear fender 36 and the motor side fender 41 are respectively installed behind and on both sides of the wheel securing bracket 37.

Preferably, a push handle 24 is arranged at the upper part of the rear end of the wheelchair back plate 5, a plurality of control buttons are arranged on the wireless remote controller 3, and a control button and a handle for controlling the direction are arranged on the wheelchair controller 35.

Preferably, the sealing cover 44 is connected to the lower end of the wheelchair seat plate 8 through a screw thread, a sealing cover plate connected with the control terminal 32 is arranged at the defecation hole of the sealing cover 44, and a sealing cover plate connected with the control terminal 32 is arranged at the opening of the detachable excrement storage box 46.

Preferably, the number of the electric push rods 28 is 7, the number of the push rod supports 26 is 14, one electric push rod 28 is connected to the wheelchair back plate 5, two electric push rods 28 are respectively connected to the wheelchair armrests 6 on the two sides, and two electric push rods 28 are connected to the wheelchair lower baffle plate 9.

Preferably, the wheelchair lower baffle 9 descends to form 120 degrees with the wheelchair seat plate 8, and the wireless remote controller 3 is provided with an indicator light.

The control method of the multifunctional wheelchair convertible into the hospital bed comprises the following steps:

in an initial state, the multifunctional wheelchair is a medical bed, if the multifunctional wheelchair is to be changed into a wheelchair mode, a user can send information to the control terminal 32 through a button on the wireless remote controller 3 or the wheelchair controller 35, the control terminal 32 receives a signal and then sends the signal to the first buckle rotating device 21, the buckle rotating device 21 receives the signal, the buckle 19 rotates 180 degrees, the limit strut 30 is completely separated from the buckle 19, the control terminal 32 is then transmitted to the electric push rod 28 and the connecting rod mechanism 33 in the form of an electric signal, under the motion of the electric push rod 28, the wheelchair back plate 5 and the wheelchair armrest 6 ascend and are separated from the fixed bed plate 18, meanwhile, the side cushion plate 34 is retracted behind the wheelchair lower baffle plate 9 under the action of the connecting rod mechanism 33 and descends to form an angle of 120 degrees with the wheelchair seat plate 8 along with the wheelchair lower baffle plate 9, and under the action of the electric push rods 28 on the wheelchair back plate 5, the wheelchair armrest 6 and, The wheelchair armrest 6 can move to a position vertical to the wheelchair seat plate 8, the wheelchair lower baffle 9 can move to a position which is 120 degrees to the wheelchair seat plate 8, at the moment, the movable bed plate mechanism is completely separated from the wheelchair, and the wheelchair can move independently under the control of the wheelchair controller 35;

if the wheelchair is moved, a button on the wheelchair controller 35 is pressed to send a message to the control terminal 32, the control terminal 32 sends a signal to enable the motor 38 to start working, a handle on the wheelchair controller 35 is pushed forward, the control terminal 32 sends a forward rotation signal to the motor 38, the motor 38 rotates forward to drive an inner shaft to rotate, a hub arranged on the shaft rotates forward, and the travelling wheel 11 starts to move under the forward rotation of the hub, so that the wheelchair travels forward; during the moving process, the handle on the wheelchair controller 38 is pushed to the left or right, the electric signal of the control terminal 32 is transmitted to the steering wheel 10, the steering wheel 10 deflects to the left or right by a corresponding angle, the wheelchair starts to turn to the left or right, the handle on the wheelchair controller 35 is pushed to the back, the control terminal 32 gives a reverse signal to the motor 38, the motor 38 rotates reversely to drive the shaft inside the motor to rotate, so that the hub arranged on the shaft rotates reversely, and the moving wheel 11 starts to move under the reverse rotation of the hub, so that the wheelchair moves backwards;

when a user needs to relieve the bowels, a command is sent to the control terminal 32 through a button of the wheelchair controller 35 or the wireless remote controller 3, the control terminal 32 enables a sealing cover plate on the sealing cover 44 and a sealing cover plate at an opening of the detachable excrement storage box 46 to be opened, after the defecation is finished, a cleaning button on the wheelchair controller 35 or the wireless remote controller 3 is pressed to send a signal to the control terminal 32, the control terminal 32 controls a motor inside the small water storage box 48 to operate, clean water in the small water storage box 48 continuously washes the buttocks of the user for a preset washing time through a water conveying pipe 47, dirt on the inner wall of the closestool 45 is washed into the detachable excrement storage box 46, when the motor in the small water storage box 48 stops operating, the sealing cover plate of the detachable excrement storage box 46 is automatically closed, at the moment, the control terminal 32 controls the fan heater 42 to start to work, and after the preset washing time is, the sealing cover plate on the sealing cover 44 is automatically closed at this time;

when a user wants to lie flat and have a rest, a signal is sent to the control terminal 32 by using a descending button on the wheelchair controller 35 or the wireless remote controller 3, the control terminal 32 is transmitted to the electric push rod 28 in the form of an electric signal through a wire, the wheelchair back plate 5 and the wheelchair armrest 6 start to descend slowly under the pulling of the electric push rod 28 on the wheelchair back plate 5 and the wheelchair armrest 6, the wheelchair lower baffle plate 9 rises under the pushing of the electric push rod 28 on the wheelchair lower baffle plate 9, meanwhile, the side cushion plate 34 extends to a plane level with the wheelchair lower baffle plate 9 under the action of the link mechanism 33, the wheelchair back plate 5, the wheelchair armrest 6 and the wheelchair lower baffle plate 9 move to a position level with the wheelchair seat plate 8 under the action of the electric push rod 28 on the wheelchair back plate 5, the wheelchair armrest 6 and the wheelchair lower baffle plate 9, and the distance sensor 22 senses the position information of the connecting block 25 on the wheelchair back, when the connecting block 25 reaches a preset position, the distance sensor 22 gives a signal to the control terminal 32, the control terminal 32 transmits the signal to the wireless remote controller 3 and the wheelchair controller 35, at this time, the wireless remote controller 3 lights up, a locking button on the wireless remote controller 3 or the wheelchair controller 35 is pressed, the buckle rotating device 21 can enable the buckle 19 to rotate 180 degrees, the buckle 19 can be buckled with the limiting pillar 30, at this time, the wheelchair and the moving bed plate mechanism are tightly and firmly connected into a whole, when the wheelchair and the moving bed plate mechanism are combined into a medical bed, at this time, a user can control the whole movement of the bed by using the wireless remote controller 3 or the button on the wheelchair controller 35, the signal is sent to the control terminal 32 by using the button on the wireless remote controller 3 or a handle on the wheelchair controller 35, and the control terminal controls the advancing and retreating of the medical bed by controlling the movement of the advancing wheels, left turn and right turn.

Preferably, the predetermined flushing time and the predetermined blowing time are both 30 seconds.

The invention has the beneficial effects that:

1. the lower-body paralysis people, the people with the disabled legs and feet and the weak old people can be smoothly, safely and quickly transferred to the wheelchair from the medical bed without the assistance of other people, and can return to the medical bed from the wheelchair.

2. The wheelchair can be freely and safely used by the people with the half-life paralysis, the people with the legs and the feet inconvenient to move and the weak old without being attended by people, and the travel is facilitated.

Drawings

FIG. 1 is a schematic view of the overall structure of the multifunctional wheelchair of the present invention;

FIG. 2 is a schematic view of a movable bed plate mechanism according to the present invention;

FIG. 3 is a bottom partial schematic view of the movable bed deck mechanism of the present invention;

FIG. 4 is a schematic view of a wheelchair transfer control system of the present invention;

FIG. 5 is a schematic view of a wheelchair travel control system of the present invention;

FIG. 6 is a schematic view of the intelligent toilet system of the present invention;

fig. 7 is a schematic view of the present invention in a state of being converted into a patient support.

The reference numbers in the figures are: 1-lifting support, 2-full-color LED table lamp, 3-wireless remote controller, 4-bedside guardrail, 5-wheelchair back plate, 6-wheelchair armrest, 7-defecation hole, 8-wheelchair seat plate, 9-wheelchair lower baffle plate, 10-steering wheel, 11-travelling wheel, 12-moving wheel, 13-bed plate support, 14-storage box, 15-ABS guardrail, 16-small-sized animal battery, 17-support baffle plate, 18-fixed bed plate, 19-buckle, 20-wheel fixer, 21-buckle rotating device, 22-distance sensor, 23-guardrail support, 24-pushing handle, 25-connecting block, 26-push rod support, 27-hinge, 28-electric push rod, 29-wheelchair support, 3-wheelchair lower baffle plate, 3-steering wheel, 12-travelling wheel, 23-distance sensor, 24-push rod support, 27-hinge, 28-electric push, 30-limit support, 31-shock absorber, 32-control terminal, 33-link mechanism, 34-side pad, 35-wheelchair controller, 36-motor rear baffle, 37-wheel fixing bracket, 38-motor, 39-accumulator, 40-pedal, 41-motor side baffle, 42-warm air blower, 43-blast pipe, 44-sealing cover, 45-toilet, 46-detachable excrement storage box, 47-water pipe and 48-small water storage box.

Detailed Description

The concept, specific structure and technical effects of the present invention will be further described with reference to the accompanying drawings and specific embodiments.