CN112618181A

CN112618181A - Lifting nursing wheelchair

Info

Publication number: CN112618181A
Application number: CN202011521728.0A
Authority: CN
Inventors: 栾飞; 詹昊; 桓源; 洪杰
Original assignee: Shaanxi University of Science and Technology
Current assignee: Shaanxi University of Science and Technology
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-04-09

Abstract

The invention discloses a lifting nursing wheelchair, which comprises a square frame and first wheels arranged on two sides of the bottom surface of the square frame, wherein second wheels are further arranged on two sides of the bottom surface of the square frame, the first wheels are arranged at the rear end of the lifting nursing wheelchair in the propelling direction, the second wheels are arranged at the front end of the lifting nursing wheelchair in the propelling direction, a first supporting plate is arranged in an inner cavity of the square frame, the first supporting plate is parallel to the bottom surface of the square frame, one surface of the first supporting plate is hinged with one end of a first telescopic mechanism, the other end of the first telescopic mechanism is hinged with a supporting seat, and the first telescopic mechanism is used for pushing or lifting the supporting seat to contact with or lift off the ground; when the first telescopic mechanism finishes retracting, the first wheel and the second wheel contact the ground; when the expansion of the first telescopic mechanism is completed, the first wheel and the second wheel are not contacted with the ground, and the supporting seat is contacted with the ground. The invention improves the convenience of wheelchair users.

Description

Lifting nursing wheelchair

Technical Field

The invention belongs to the technical field of wheelchairs, and particularly belongs to a lifting type nursing wheelchair.

Background

The wheelchair is a common tool for old people or disabled people in daily life, the wheelchair is used for improving the free living ability of the old people or disabled people and facilitating the moving and traveling of the old people or disabled people, but most wheelchairs are deeply researched for facilitating traveling at present, and the functions of the wheelchair in the aspect of life are not deeply researched.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides a lifting nursing wheelchair, which solves the problem of adjusting the distance between the wheelchair and the ground at present.

In order to achieve the purpose, the invention provides the following technical scheme: a lifting nursing wheelchair comprises a square frame and first wheels arranged on two sides of the bottom surface of the square frame, wherein second wheels are further arranged on two sides of the bottom surface of the square frame, the first wheels are arranged at the rear end of the pushing direction of the lifting nursing wheelchair, the second wheels are arranged at the front end of the pushing direction of the lifting nursing wheelchair, a first supporting plate is arranged in an inner cavity of the square frame, the first supporting plate is parallel to the bottom surface of the square frame, one surface of the first supporting plate is hinged with one end of a first telescopic mechanism, the other end of the first telescopic mechanism is hinged with a supporting seat, and the first telescopic mechanism is used for pushing or lifting the supporting seat to contact with or lift off the ground;

when the first telescopic mechanism finishes retracting, the first wheel and the second wheel contact the ground;

when the expansion of the first telescopic mechanism is completed, the first wheel and the second wheel are not contacted with the ground, and the supporting seat is contacted with the ground.

Further, first telescopic machanism includes two first flexible arms of cross-hinged, and the one end and the first backup pad of first flexible arm are articulated, and the other end and the supporting seat of first flexible arm are articulated, and two first flexible arms of cross-hinged are a set of, are provided with first electric putter between two sets of first flexible arms, first electric putter is used for controlling the first flexible arm shrink of cross-hinged or expansion.

Furthermore, the axle center of the inner side of the first wheel is connected with an output shaft of a first motor connected to the square frame, the second wheel is connected with the square frame through a front wheel support, and the front wheel support is rotatably connected with the square frame.

Furthermore, two first supports which are symmetrically arranged are hinged to the surface of the top of the square frame, the first supports and the first wheels are located on the same side of the square frame, a backup plate is arranged between the two first supports, one end of at least two first moving rods is hinged to the backup plate, one end of a second moving rod is hinged to the other end of the first moving rod, the other end of the second moving rod is connected with a rotating shaft, the rotating shaft is connected with a support plate arranged on the square frame, a convex body is arranged on the support plate, the rotating shaft penetrates through the convex body and can rotate in the convex body, one end of the rotating shaft is connected with a third moving rod, the third moving rod is further hinged to an output end of a second electric push rod, and an installation end of the second electric push rod is arranged on the first support plate;

the first support is further hinged to a first handrail, the first handrail is further hinged to a second handrail, the second handrail is hinged to one end of the leg supporting plate, the side edge of the leg supporting plate is hinged to the square frame through a third electric push rod, and one end of the leg supporting plate is hinged to the square frame.

The leg lengthening plate is characterized by further comprising a leg lengthening plate, a rail groove is formed in the side edge of the leg supporting plate, two ends of the rail groove penetrate through two ends of the leg supporting plate respectively, one end of the leg lengthening plate extends into the rail groove from the other end of the leg supporting plate, a rack is arranged in the length direction of the outer surface of the rail groove, a second motor is arranged on the leg lengthening plate, and the output end of the second motor is connected with a gear used for meshing the rack;

the other end of the leg lengthening plate is hinged with a pedal, and the hinged end of the pedal is driven by a third motor.

Furthermore, the articulated department that has the footboard on the shank lengthened plate still is provided with the limiting plate, the length direction of limiting plate and the length direction of shank lengthened plate are perpendicular.

The first telescopic mechanism comprises two first telescopic arms which are hinged in a crossed manner, one end of each first telescopic arm is hinged with the first supporting plate, and the other end of each first telescopic arm is hinged with the central cushion; a cushion is placed on the top surface of the square frame, the middle of the cushion is of a hollow structure, and the second telescopic mechanism is used for controlling the central cushion to be laid into or separated from the hollow area of the cushion; the top surface of the square frame is also provided with two sliding chutes which are respectively arranged at the side edges of the hollow area of the cushion, and the end surfaces of the sliding chutes are communicated;

when the central cushion leaves the hollow area of the cushion, the sliding groove is connected with a bedpan in a sliding way.

Furthermore, the dining table further comprises supporting pipes arranged on two sides of the square frame respectively, the two supporting pipes are connected through the dining table, and a dining bowl placing groove and a water cup placing groove are formed in the dining table.

Furthermore, a bowl limiting ring and a cup limiting ring are respectively arranged in the bowl placing groove and the cup placing groove, the bowl limiting ring is provided with a plurality of limiting rings, the inner ring diameter of each bowl limiting ring is different, the cup limiting ring is provided with a plurality of limiting rings, and the inner ring diameter of each cup limiting ring is different.

Furthermore, still articulated on the first handrail have an adjusting lever, the adjusting lever passes through clamping nut and first handrail and connects, the adjusting lever is gooseneck structure, still be connected with on the adjusting lever and control the platform.

Compared with the prior art, the invention has at least the following beneficial effects:

the invention provides a lifting nursing wheelchair, which is characterized in that a first supporting plate is arranged in a cavity of a square frame, a first telescopic mechanism is hinged on the first supporting plate, the first telescopic mechanism controls the supporting seat to contract and expand, the lifting of the wheelchair can be completed by the old or the disabled on the wheelchair in daily life, the first telescopic mechanism expands to push the supporting seat and enable the supporting seat to be in contact with the ground, then the first wheel and the second wheel are lifted off the ground by the supporting action of the supporting seat to rise, so that the old or the disabled can not be limited by too low height of the wheelchair when using the wheelchair and can not lift the hand to take the articles at the high position or buy the articles at other high counters, the self-care ability is improved in the aspect of life nursing, the care of family members is reduced, the convenience of wheelchair users is improved, articles at high positions can be taken in time, and the wheelchair users are more beneficial to life.

Furthermore, the first motor on the first wheel is used for driving, so that the wheelchair can automatically move, and is convenient and labor-saving.

Furthermore, the second electric push rod pushes the third moving rod to rotate so as to drive the rotating shaft to rotate, the rotating shaft drives the second moving rod to rotate, the second moving rod drives the first moving rod to rotate, the first moving rod drives the backup plate to rotate, meanwhile, the first handrail and the second handrail transmit the force of the rotation of the backup plate, so that the heights of the first handrail and the second handrail are lifted along with the rotation of the backup plate, and the leg support plate rotates through the third electric push rod.

Furthermore, the other end of the leg supporting plate can be further provided with a leg lengthening plate in a telescopic mode, the leg lengthening plate can be freely stretched and retracted through the meshing cooperation of the gear and the rack, corresponding adjustment can be conducted according to the comfort level of a user, the other end of the leg lengthening plate is hinged to a pedal, the comfort of the user is further improved, meanwhile, the pedal is hinged to the leg lengthening plate, the pedal can freely rotate, the inclination angle of the pedal can be adjusted according to the comfort of the angle of the foot of the user, in the using process of a traditional wheelchair, the length of a leg supporting structure of the wheelchair cannot be adjusted, different requirements of different people on the supporting length can be met, the application range is wide, and the requirements of the user can be met.

Furthermore, the central cushion provided by the invention is lifted by adopting the second telescopic mechanism, the central cushion is matched with the cushion in normal use, when a user needs convenience, the second telescopic mechanism drives the central cushion to leave the cushion area, a bedpan slides into the sliding groove, the user can conveniently slide the bedpan into the sliding groove, the user does not need to manually open the central cushion, the central cushion is automatically folded and unfolded, and the convenience is higher.

Furthermore, the dining table can be detachably connected with the dining table, so that the requirement of a user on taking food on the wheelchair can be met, the dining table is more convenient to eat, the dining bowl and the water cup can be conveniently placed in the dining table through the dining bowl placing groove and the water cup placing groove, meanwhile, the dining bowl limiting ring in the dining bowl placing groove and the water cup limiting ring in the water cup placing groove can meet the placing requirements of the dining bowls and the water cups with various sizes, the positions of the dining bowls and the water cups can be fixed, and the dining bowls and the water cups are not easy to slip off when the dining table is used by the user.

Furthermore, the adjusting rod of the invention adopts a gooseneck structure, and can be adjusted according to the current using state when a user changes the angle to use the adjusting rod, so that the adjusting rod is convenient for the user to operate and control.

Drawings

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

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a partial schematic view of a leg support plate according to the present invention;

FIG. 4 is a schematic view of the structure of the leg support plate and the leg extension plate in combination according to the present invention;

FIG. 5 is a schematic view of a portion of a second telescoping mechanism and seat cushion of the present invention;

FIG. 6 is a schematic structural view of a second telescoping mechanism according to the present invention;

FIG. 7 is a schematic structural view of a first telescoping mechanism according to the present invention;

FIG. 8 is a side view of the present invention;

FIG. 9 is a schematic structural diagram of an embodiment of the present invention;

FIG. 10 is a schematic view of the dining table of the present invention;

in the drawings: 1-a first bracket, 2-a backup plate, 3-a first moving rod, 4-a second moving rod, 5-a first handrail, 6-a cushion, 7-a clamping nut, 8-a console, 9-a support tube, 10-a second handrail, 11-a first electric push rod, 12-a leg support plate, 121-a rack, 13-a first motor, 14-a leg extension plate, 141-a second motor, 142-a gear, 143-a limit plate, 15-a pedal, 16-a bedpan, 17-a battery jar, 18-a first telescopic arm, 19-a first wheel, 20-a support seat, 21-a second wheel, 22-a square frame, 23-a front wheel bracket, 24-a chute, 25-a first support plate, 26-a second telescopic arm, 27-a mounting plate, 28-a third motor, 29-a second support plate, 30-a second electric push rod, 31-a third electric push rod, 32-a fourth electric push rod, 33-a rotating shaft, 34-a third moving rod, 35-an adjusting rod, 36-a dining table, 37-a water cup placing groove and 38-a bowl limiting ring.

Detailed Description

The invention is further described with reference to the following figures and detailed description.

As shown in fig. 1 and 2, the invention provides a lifting nursing wheelchair, which comprises a square frame 22, wherein two ends of one side of the square frame 22 are respectively hinged with a first support 1, a backup plate 2 is arranged between the two first supports 1, as shown in fig. 8, the opposite surface of the backup plate 2, which is back to a backup surface, is hinged with one end of at least two first moving rods 3, the other end of each first moving rod 3 is also hinged with one end of a second moving rod 4, the other end of each second moving rod 4 is connected with the same rotating shaft 33 in a shaft mode, the rotating shaft 33 is connected with a support plate arranged on the square frame 22, a convex body is arranged on the support plate, the rotating shaft 33 penetrates through the convex body and can rotate in the convex body, one end of the rotating shaft 33 is connected with a third moving rod 34, the third moving rod 34 is also hinged with an output end of a second electric push rod 30, and the installation end of the second electric push rod 30 is arranged, the first supporting plate 25 is fixed in the inner cavity of the square frame 22;

first support 1 still articulates there is first handrail 5, first handrail 5 still articulates there is second handrail 10, second handrail 10 is articulated with the one end of shank backup pad 12, the side of shank backup pad 12 is articulated through third electric putter 31 with square frame 22, the one end of shank backup pad 12 still articulates with square frame 22, and wherein, the installation end of third electric putter 31 is articulated with the mounting panel 27 of welding in square frame 22 both sides, the output of third electric putter 31 and shank backup pad 12 are articulated.

As shown in fig. 3 and 4, in the preferred embodiment of the present embodiment, the side of the leg support plate 12 is provided with a rail groove, the rail groove is arranged along the length direction of the leg support plate 12, two ends of the rail groove penetrate two ends of the leg support plate 12, the leg extension plate 14 extends into the rail groove from the other end of the leg support plate 12, meanwhile, a rack 121 is arranged on the outer surface of the track groove, the rack 121 is arranged along the length direction of the track groove, a second motor 141 is arranged on the leg lengthening plate 14, a gear 142 is sleeved at the output end of the second motor 141, the gear 142 on the leg lengthening plate 14 is meshed and connected with the rack 121 on the track groove, the gear 142 is driven to move on the rack gear 121 by the second motor 141, so that the leg extension plate 14 is freely telescoped on the leg support plate 12, thereby adjusting the extension or retraction length of the leg extension plate 14 to suit the user's needs; preferably, the other end of shank lengthened plate 14 is articulated with footboard 15, the other end of footboard 15 still is provided with third motor 28, the output of third motor 28 and the articulated end of footboard 15 are connected, third motor 28 control footboard 15 rotates to adjust the angle that the user placed the foot, promote user's comfort level, preferably, the other end of shank lengthened plate 14 is provided with limiting plate 143, the length of limiting plate 143 is perpendicular with the length of shank lengthened plate 14, thereby play the effect of limiting footboard 15 turned angle.

As shown in fig. 5 and 6, in the present embodiment, a seat cushion 6 is disposed on the seat surface of the square frame 22, a middle region of the seat cushion 6 is a hollow structure, a central seat cushion is detachably mounted in the hollow region of the seat cushion 6, the central seat cushion is mounted on a second telescopic mechanism, the second telescopic mechanism includes two second telescopic arms 26 hinged to each other in a crossing manner, one end of each second telescopic arm 26 is hinged to the first support plate 25, the other end of each second telescopic arm 26 is hinged to the central seat cushion, one of the second telescopic arms 26 is hinged to a fourth electric push rod 32, and a mounting end of the fourth electric push rod 32 is hinged to the first support plate 25; wherein the side in the hollow region of cushion 6 is provided with spout 24, spout 24 welds with square frame 22 respectively, and sliding connection has bedpan 16 in spout 24, and when second telescopic machanism drove the central cushion and leaves the hollow region of cushion 6, slide in the bedpan 16 from the one end of spout 24, the user carries out conveniently can.

In this embodiment, a square frame 22 is further provided with a first wheel 19 and a second wheel 21, the first wheel 19 is provided with the rear end of the wheelchair in the propulsion direction, the second wheel 21 is provided at the front end of the wheelchair in the propulsion direction, the axis of the first wheel 19 is connected with a first motor 13, the first motor 13 is fixed on the square frame 22, the second wheel 21 is hinged with the square frame 22 through a front wheel bracket 23, a shaft and a bearing are arranged at the matching position of the front wheel bracket 23 and the second wheel 21, and the front wheel bracket 23 is rotatably connected with the square frame 22 through a pin shaft;

as shown in fig. 7, in this embodiment, a support seat 20 is further disposed at the bottom of the square frame 22, and the support seat 20 is connected to a first support plate 25 through a first telescopic mechanism, where the first telescopic mechanism includes two first telescopic arms 18 hinged to each other in a cross manner, one end of the first telescopic arm 18 is hinged to the support seat 20, the other end of the first telescopic arm 18 is hinged to the first support plate 25, the two first telescopic arms 18 hinged to each other in a cross manner form a group, and a first electric push rod 11 is disposed between the two groups of first telescopic arms 18, and the first electric push rod 11 is used to control the first telescopic arms 18 hinged to contract or expand, so as to enable the support seat 20 to freely contact with or leave the ground in a telescopic manner;

in this embodiment, the first armrest 5 is further hinged with an adjusting rod 35, one end of the adjusting rod 35 is fixed to the first armrest 5 through a clamping nut 7, and the rotating angle of the adjusting rod 35 is adjusted by screwing and unscrewing the clamping nut 7, in this embodiment, the adjusting rod 35 adopts a gooseneck structure, the rotating angle of the adjusting rod 35 is further increased, the flexibility is higher, the other end of the adjusting rod 35 is provided with a console 8 and is controlled by the console 8, the console 8 is provided with a rocker and a contact switch, the rocker realizes the control of the direction of the wheelchair, and the contact switch realizes the work of the functions of the device, such as sitting posture and lying state switching control, the lengthening of the leg support plate 12, the electric push rod and the like; preferably, a second supporting plate 29 is fixed at the rear end of the wheelchair in the propelling direction, a storage battery 17 is arranged on the second supporting plate 29, and the electric energy provided by each motor and the control system and the electric energy provided by all driving energy of the wheelchair are all from the storage battery through the storage battery 17.

As shown in fig. 10, in this embodiment, the mounting plates 27 on both sides of the square frame 22 are further provided with support tubes 9, the support tubes 9 are detachably connected with the mounting plates 27, the two support tubes 9 are connected through a dining table 36, and when a user needs to eat, the support tubes 9 are mounted on the mounting plates 27; preferably, a bowl placing groove and a cup placing groove 37 are formed in the dining table 36, a bowl limiting ring 38 and a cup limiting ring are respectively placed in the bowl placing groove and the cup placing groove 37, the bowl limiting ring 38 and the cup limiting ring are respectively provided with a plurality of parts, and selection can be performed according to the size of an actual bowl and the size of a cup.

Preferably, the wheelchair disclosed by the invention adopts a hollow tube structure design, so that the comfort requirement of a user on the wheelchair can be met, and the physical requirements of the product such as toughness and the like can also be met.

The working principle of the invention is as follows:

when a user sits on the wheelchair and wants to realize the function of transferring from the wheelchair to the bed, the console 8 can be operated to push the leg support plate 12 to move through the third electric push rod 31, so that the leg support plate 12 can rotate in the vertical direction and the horizontal direction, the second electric push rod 30 pushes the third moving rod 34 to rotate, the third moving rod 34 drives the rotating shaft 33 to rotate, the rotating shaft 33 drives the second moving rod 4 to rotate, the second moving rod 4 drives the first moving rod 3 to rotate, when the user needs to lie down, the first bracket 1 rotates to the horizontal direction, and simultaneously the first bracket 1 rotates to the horizontal direction, the heights of the first handrail 5 and the second handrail 10 are reduced, and in the bed mode, the pedal 15 can realize the 90-degree rotary folding through the third motor 28 and the stretching of the leg lengthening plate 14 through the rack 121 and the gear 142, the leg extension plate 14 can also achieve the telescopic function under the sitting posture of the user, and the dining table 36 on the wheelchair can be assembled and disassembled according to the use requirements of the user;

under the normal driving mode, the first electric push rod 11 drives the first telescoping mechanism to compress so as to enable the supporting seat 20 not to contact with the ground, the supporting seat 20 is separated from the ground, the first motor 13 drives the first wheel 19 to rotate, the first wheel 19 drives the whole wheelchair to move, the second wheel 21 receives the power transmission of the first wheel 19, when the wheelchair needs to be lifted, the first electric push rod 11 pushes the first telescoping mechanism to extend, the first telescoping mechanism drives the supporting seat 20 to move, the supporting seat 20 contacts with the ground, and further the first wheel 19 and the second wheel 21 have a height difference with the ground, when the wheelchair does not need to be lifted, the first telescoping mechanism drives the supporting seat 20 to be separated from the ground,

when the user is convenient, drive second telescopic machanism through fourth electric putter 32, realize that the cushion of central authorities breaks away from the cushion 6 surface, then insert bedpan 16 from spout 24 in manually, accomplish the back, fill the hollow region at cushion 6 with the cushion of central authorities through second telescopic machanism.

As shown in fig. 9, in another embodiment of the present invention, the supporting seat 20 may be replaced by a crawler belt, an auxiliary crawler belt is disposed on an end surface of the crawler belt, in the normal driving mode, the first electric push rod 11 drives the first telescopic mechanism to compress so that the crawler belt does not contact the ground, thereby realizing the separation of the crawler belt from the ground, the first motor 13 drives the first wheel 19 to rotate, the first wheel 19 drives the entire wheelchair to move, the second wheel 21 receives the power transmission of the first wheel 19, when the wheelchair needs to be lifted, the first electric push rod 11 pushes the first telescopic mechanism to extend, the first telescopic mechanism drives the crawler belt to move, the crawler belt contacts the ground, thereby making the first wheel 19 and the second wheel 21 have a height difference with the ground, and when the wheelchair does not need to be lifted, the first telescopic mechanism drives the crawler belt to separate from the.

Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A lifting nursing wheelchair is characterized by comprising a square frame (22) and first wheels (19) arranged at two sides of the bottom of the square frame (22), two sides of the bottom of the square frame (22) are also provided with second wheels (21), the first wheels (19) are arranged at the rear end of the lifting nursing wheelchair in the propelling direction, the second wheel (21) is arranged at the front end of the lifting nursing wheelchair in the propelling direction, a first supporting plate (25) is arranged in the inner cavity of the square frame (22), the first support plate (25) is parallel to the bottom surface of the square frame (22), one surface of the first supporting plate (25) is hinged with one end of a first telescopic mechanism, the other end of the first telescopic mechanism is hinged with a supporting seat (20), and the first telescopic mechanism is used for pushing or lifting the supporting seat (20) to contact or lift the supporting seat from the ground;

when the first telescopic mechanism finishes contracting, the first wheel (19) and the second wheel (21) contact the ground;

when the expansion of the first telescopic mechanism is completed, the first wheel (19) and the second wheel (21) are not contacted with the ground, and the supporting seat (20) is contacted with the ground.

2. The lifting nursing wheelchair as claimed in claim 1, wherein the first telescopic mechanism comprises two first telescopic arms (18) hinged in a cross manner, one end of each first telescopic arm (18) is hinged to the first supporting plate (25), the other end of each first telescopic arm (18) is hinged to the supporting seat (20), the two first telescopic arms (18) hinged in a cross manner are in a group, a first electric push rod (11) is arranged between the two groups of first telescopic arms (18), and the first electric push rods (11) are used for controlling the first telescopic arms (18) hinged in a cross manner to contract or expand.

3. The lifting nursing wheelchair as claimed in claim 1, wherein the axle center inside the first wheel (19) is connected to the output shaft of the first motor (13) connected to the square frame (22), the second wheel (21) is connected to the square frame (22) through a front wheel bracket (23), and the front wheel bracket (23) is rotatably connected to the square frame (22).

4. The lifting nursing wheelchair as claimed in claim 1, wherein two first brackets (1) are hinged on the top surface of the square frame (22) and the first brackets (1) and the first wheels (19) are on the same side of the square frame (22), a backup plate (2) is arranged between the two first brackets (1), at least one end of a first moving rod (3) is hinged on the backup plate (2), the other end of the first moving rod (3) is also hinged on one end of a second moving rod (4), the other end of the second moving rod (4) is connected with a shaft (33), the shaft (33) is connected with a support plate arranged on the square frame (22) and provided with a convex body, the shaft (33) penetrates through the convex body and the shaft (33) can rotate in the convex body, one end of the shaft (33) is connected with a third moving rod (34), the third moving rod (34) is also hinged with an output end of a second electric push rod (30), and an installation end of the second electric push rod (30) is arranged on the first supporting plate (25);

first support (1) still articulates there is first handrail (5), first handrail (5) still articulate there is second handrail (10), second handrail (10) are articulated with the one end of shank backup pad (12), the side of shank backup pad (12) is articulated through third electric putter (31) with square frame (22), the one end of shank backup pad (12) still is articulated with square frame (22).

5. The lifting nursing wheelchair of claim 4, further comprising a leg extension plate (14), wherein a track groove is formed in a side edge of the leg support plate (12), two ends of the track groove respectively penetrate through two ends of the leg support plate (12), one end of the leg extension plate (14) extends into the track groove from the other end of the leg support plate (12), a rack (121) is arranged along the length direction of the outer surface of the track groove, a second motor (141) is arranged on the leg extension plate (14), and the output end of the second motor (141) is connected with a gear (142) for meshing with the rack (121);

the other end of the leg lengthening plate (14) is hinged with a pedal (15), and the hinged end of the pedal (15) is driven by a third motor (28).

6. The lifting nursing wheelchair as claimed in claim 5, wherein the leg extension board (14) is further provided with a limiting board (143) at the hinge joint of the pedal (15), and the length direction of the limiting board (143) is perpendicular to the length direction of the leg extension board (14).

7. The lifting nursing wheelchair as claimed in claim 1, further comprising a second telescopic mechanism, wherein the second telescopic mechanism comprises two second telescopic arms (26) hinged in a crossed manner, one end of each second telescopic arm (26) is hinged to the first supporting plate (25), and the other end of each second telescopic arm (26) is hinged to the central cushion; a cushion (6) is placed on the top surface of the square frame (22), the middle of the cushion (6) is of a hollow structure, and the second telescopic mechanism is used for controlling the central cushion to be laid into the hollow area of the cushion (6) or leave the hollow area of the cushion (6); the top surface of the square frame (22) is also provided with two sliding chutes (24), the two sliding chutes (24) are respectively arranged at the side edges of the hollow area of the cushion (6), and the end surfaces of the sliding chutes (24) are communicated;

when the central cushion leaves the hollow area of the cushion (6), the sliding groove (6) is connected with a bedpan (16) in a sliding way.

8. The lifting nursing wheelchair as claimed in claim 1, further comprising support pipes (9) respectively arranged at two sides of the square frame (22), wherein the two support pipes (9) are connected through a dining table (36), and a bowl placing groove and a cup placing groove (37) are arranged on the dining table (36).

9. The lifting nursing wheelchair as claimed in claim 8, wherein a bowl limiting ring (38) and a cup limiting ring are respectively arranged in the bowl and cup placing grooves (37), the bowl limiting ring (38) is provided in a plurality, the inner diameter of each bowl limiting ring (38) is different, the inner diameter of each cup limiting ring is provided in a plurality, and the inner diameter of each cup limiting ring is different.

10. The lifting nursing wheelchair as claimed in claim 1, wherein the first armrest (5) is further hinged with an adjusting rod (35), the adjusting rod (35) is connected with the first armrest (5) through a clamping nut (7), the adjusting rod (35) is of a gooseneck structure, and the adjusting rod (35) is further connected with a console (8).