CN111920595B

CN111920595B - A nursing wheelchair

Info

Publication number: CN111920595B
Application number: CN202010812550.9A
Authority: CN
Inventors: 宋蕾; 张帅; 赵秋芬
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2022-03-11
Anticipated expiration: 2040-08-13
Also published as: CN111920595A

Abstract

The invention discloses a nursing wheelchair, which comprises a seat frame, a support seat is installed at the bottom of the seat frame, a first installation groove is opened inside the support seat, and a first motor is installed inside the first installation groove, and the motor Gear 1 is installed on the top of the first gear, and three gears 2 which are matched with the gear 1 are evenly installed on the outer side of the gear 1. A threaded rod adapted to the threaded sleeve is installed through the inside, the top of the threaded rod extends to the bottom of the seat frame, and the four corners of the top of the support seat are installed with positioning rods, and all the A movable sleeve is installed on the outer side of the positioning rod, and a fixed support block is installed on one side of the movable sleeve, and the end of the fixed support block away from the movable sleeve is connected with the chair frame. The bottom four corners are fixedly connected.

Description

Nursing wheelchair

Technical Field

The invention relates to the technical field of medical treatment, in particular to a nursing wheelchair.

Background

The wheelchair is an important rehabilitation tool, not only is the wheelchair for physically disabled people and mobility-handicapped people to ride instead of walk, but also is widely used in the aspect of medical care, and more importantly, the wheelchair can be used for physical exercise and participation in social activities; the wheelchair for nursing in the prior art cannot better adjust the height in the using process, influences the use of a patient, and the patient feels aching and numb in the thighs after sitting for a long time, and cannot be massaged, so that the rehabilitation of the patient is influenced, and the use requirements of people cannot be better met.

In conclusion, how to enable the nursing wheelchair to better meet the use requirements of people is a technical problem which is urgently needed to be solved at present.

Disclosure of Invention

The technical task of the invention is to provide a nursing wheelchair to solve the problem of better meeting the use requirements of people by aiming at the defects.

The technical scheme of the invention is realized as follows:

a nursing wheelchair is characterized in that a supporting seat (2) is installed at the bottom of a chair frame (1), a first mounting groove (3) is formed in the supporting seat (2), and a first motor (4) is installed in the first mounting groove (3); a first gear (5) is installed at the top of the first motor (4), a plurality of second gears (6) matched with the first gear (5) are evenly installed on the outer side edge of the first gear (5), threaded sleeves (7) are installed in the middle of the second gears (6) in a penetrating mode, and threaded rods (8) matched with the threaded sleeves (7) are installed in the threaded sleeves (7) in a penetrating mode; the top ends of the threaded rods (8) extend to the lower part of the bottom of the chair frame (1), connecting shaft seats (9) are mounted at the top parts of the threaded rods (8), and the top parts of the connecting shaft seats (9) are fixedly connected with the bottom of the chair frame (1); sleeves (10) matched with the threaded rods (8) are mounted at the top of the supporting seat (2) and at positions corresponding to the threaded rods (8), and the bottom ends of the threaded rods (8) extend to the inner bottom ends of the sleeves (10); the chair comprises a chair frame (1), wherein a baffle (11) is arranged on the chair frame (1), supporting blocks (12) are symmetrically arranged at the bottom end inside the chair frame (1), a supporting plate (13) is arranged at the top of each supporting block (12), and a seat plate (14) is arranged at the top of each supporting plate (13); a cushion (15) is installed at the top of the seat plate (14), two mounting grooves (16) are symmetrically formed in the seat plate (14), openings (17) are formed in the tops of the two mounting grooves (16), two motors (18) are installed in the two mounting grooves (16), rotating rods (19) are installed on the sides, close to each other, of the two motors (18), slats (20) are evenly and annularly installed on the outer side edges of the rotating rods (19), a plurality of rubber bumps (21) are installed on the side, far away from the rotating rods (19), of each slat (20), and a plurality of movable supporting blocks (51) are installed on the side, close to the rotating rods (19), of each slat (20); the outer side edge of the rotating rod (19) and the position corresponding to the movable supporting block (51) are respectively provided with a movable supporting groove (22) matched with the movable supporting block (51), supporting rods (23) are respectively arranged in the movable supporting grooves (22), and rod grooves (24) matched with the supporting rods (23) are respectively arranged in the movable supporting block (51); springs (25) are arranged on one side edge of the lath (20) close to the rotating rod (19) and between the movable supporting blocks (51), and one ends, far away from the lath (20), of the springs (25) are fixedly connected with the rotating rod (19);

handles (26) are symmetrically arranged at the top of the chair frame (1), a back plate (27) is arranged between the handles (26) and on one side of the chair frame (1), a shell (28) is arranged at the bottom end of one side of the chair frame (1), and a fan (29) is fixedly arranged in the shell (28); a wind collecting bin (30) is installed on one side edge of the fan (29), a first connecting pipe (31) is installed at the bottom of the wind collecting bin (30), the bottom end of the first connecting pipe (31) penetrates through and extends to the inner bottom end of the chair frame (1), a plurality of first through holes (32) are uniformly formed in one side, located at the opening (17), of the seat plate (14), a first fan cover (33) is installed at one end, far away from the wind collecting bin (30), of the first connecting pipe (31), and the top end of the first fan cover (33) penetrates through the supporting plate (13) and is fixedly connected with the bottom of the seat plate (14); a second connecting pipe (34) is installed at the top of the wind collecting bin (30), one end, far away from the wind collecting bin (30), of the second connecting pipe (34) penetrates through and extends to one side of the back plate (27), a plurality of second through holes (35) are uniformly formed in the back plate (27), a second fan housing (36) is installed on one side, close to the second connecting pipe (34), of the back plate (27), the second fan housing (36) corresponds to the second through holes (35), and one side, far away from the back plate (27), of the second fan housing (36) is connected with the second connecting pipe (34); positioning clamping blocks (40) are respectively installed on two side edges of the bottom end of the threaded rod (8), and positioning clamping grooves (41) matched with the positioning clamping blocks (40) are respectively formed in the inner side edge of the sleeve (10); locating rods (42) are installed on four corner edges of the top of the supporting seat (2), movable sleeves (43) are installed on the outer side edges of the locating rods (42) in a movable sleeved mode, fixed supporting blocks (12) are installed on one side edges of the movable sleeves (43), and one ends, far away from the movable sleeves (43), of the fixed supporting blocks (12) are fixedly connected with the four corner edges of the bottom of the chair frame (1).

In the scheme, a foot rest (37) is installed at the bottom end of one side of the chair frame (1) far away from the back plate (27), small wheels (38) are symmetrically installed on one side, close to the foot rest (37), of the supporting seat (2), and large wheels (39) are symmetrically installed on one side, far away from the foot rest (37), of the supporting seat (2).

In the scheme, movable clamping blocks (46) are mounted at the tops of two side edges of the supporting rod (23), and movable clamping grooves (47) matched with the movable clamping blocks (46) are formed in the two side edges of the rod groove (24).

In the scheme, a plurality of third through holes (48) are uniformly formed in the baffle plate (11).

In the scheme, the outer side edge of the shell (28) is embedded with a dustproof screen plate (49) at a position corresponding to the fan (29).

In the scheme, limit stops (44) are mounted at the tops of the positioning rods (42), power supplies (45) are mounted on two sides of the top of the supporting seat (2), and the power supplies (45) are rechargeable power supplies.

Compared with the prior art, the invention has the advantages and positive effects that:

1. through motor one with gear one and gear two, the cooperation the threaded rod with the interact of thread bush can be better when using carry out the height-adjusting to the nursing wheelchair to be convenient for can be better satisfy people's user demand.

2. Through motor two with the dwang and the slat with rubber convex block's interact can make nursing wheelchair better patient's thighs massage when using to be convenient for can make the patient have more comfortable experience, and then be convenient for can be better satisfy people's user demand.

3. Through the fan with the wind-collecting bin and connecting pipe one with connecting pipe two, the cooperation fan housing one with through-hole one and fan housing two with the interact of through-hole two can be convenient for dispel the heat to patient's back and buttock when using to avoid summer to sit damp and hot condition emergence for a long time, thereby be convenient for can be better satisfy people's user demand.

4. The nursing wheelchair disclosed by the invention can be used for well solving the problem of how to enable the nursing wheelchair to better meet the use requirements of people, so that the height of the nursing wheelchair can be better adjusted in the use process, the nursing wheelchair is convenient for a patient to use, and the thighs of the patient can be massaged when the patient feels sore and numb after sitting for a long time, so that the rehabilitation of the patient is more facilitated, and the use requirements of people can be better met.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic diagram of an architecture according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a support base according to an embodiment of the present invention;

FIG. 3 is a schematic view of a first gear and a second gear connection structure according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of a partially enlarged structure according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of a partial cross-sectional structure according to an embodiment of the invention;

FIG. 6 is a schematic side view of a seat plate according to an embodiment of the present invention;

FIG. 7 is a schematic diagram of an enlarged structure of portion A of FIG. 6 according to an embodiment of the present invention;

FIG. 8 is a schematic top view of a seat plate according to an embodiment of the present invention;

fig. 9 is a schematic diagram of a side structure of a back plate according to an embodiment of the invention.

In the figure:

1. a chair frame; 2. a supporting seat; 3. a first mounting groove; 4. a first motor; 5. a first gear; 6. a second gear; 7. a threaded sleeve; 8. a threaded rod; 9. connecting the shaft seat; 10. a sleeve; 11. a baffle plate; 12. a support block; 13. a support plate; 14. a seat plate; 15. a cushion; 16. a second mounting groove; 17. an opening; 18. a second motor; 19. rotating the rod; 20. laths; 21. a rubber bump; 22. a support groove; 23. a strut; 24. a rod groove; 25. a spring; 26. a handle; 27. a back plate; 28. a housing; 29. a fan; 30. a wind collecting bin; 31. a first connecting pipe; 32. a first through hole; 33. a first fan cover; 34. a second connecting pipe; 35. a second through hole; 36. a second fan cover; 37. a foot rest; 38. a small wheel; 39. a bull wheel; 40. positioning a fixture block; 41. positioning the clamping groove; 42. positioning a rod; 43. a movable sleeve; 44. a limit stop block; 45. a power source; 46. a movable clamping block; 47. a movable clamping groove; 48. a third through hole; 49. a dustproof screen plate; 50. an anti-slip rubber sleeve; 51. and a movable supporting block.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

The invention is further described with reference to the following figures and specific examples.

In the first embodiment, as shown in fig. 1 to 9, a nursing wheelchair according to an embodiment of the present invention includes a chair frame 1, a support seat 2 is installed at the bottom of the chair frame 1, a first installation groove 3 is formed inside the support seat 2, a first motor 4 is installed inside the first installation groove 3, a first gear 5 is installed at the top of the first motor 4, three second gears 6 adapted to the first gear 5 are evenly installed at the outer side edge of the first gear 5, a threaded sleeve 7 is installed in the middle of each second gear 6 in a penetrating manner, a threaded rod 8 adapted to the threaded sleeve 7 is installed inside each threaded sleeve 7 in a penetrating manner, the top ends of the threaded rods 8 all extend to the bottom of the chair frame 1, a connecting shaft seat 9 is installed at the top of each threaded rod 8, and the top of the connecting shaft seat 9 is fixedly connected to the bottom of the chair frame 1, the top of the supporting seat 2 and the position corresponding to the threaded rod 8 are both provided with a sleeve 10 matched with the threaded rod 8, the bottom end of the threaded rod 8 extends to the inner bottom end of the sleeve 10, the height of the nursing wheelchair can be better adjusted through the interaction of the motor I4, the gear I5 and the gear II 6 with the threaded rod 8 and the threaded sleeve 7, so that the use requirements of people can be better met, the chair frame 1 is provided with a baffle 11, the inner bottom end of the chair frame 1 is symmetrically provided with supporting blocks 12, the top of the supporting blocks 12 is provided with a supporting plate 13, the top of the supporting plate 13 is provided with a seat plate 14, the top of the seat plate 14 is provided with a cushion 15, the inner part of the seat plate 14 is symmetrically provided with a mounting groove II 16, and the top of the mounting groove II 16 is provided with an opening 17, the opening 17 is located at the top of the seat plate 14, a second motor 18 is installed inside the second mounting groove 16, a rotating rod 19 is installed on one side edge of the second motor 18 close to each other, a plurality of laths 20 are evenly installed on the outer side edge of the rotating rod 19 in a surrounding manner, a plurality of rubber bumps 21 are installed on one side edge of each lath 20 far away from the rotating rod 19, a plurality of movable supporting blocks 51 are installed on one side edge of each lath 20 close to the rotating rod 19, movable supporting grooves 22 matched with the movable supporting blocks 51 are formed in positions corresponding to the outer side edge of the rotating rod 19 and the movable supporting blocks 51, supporting rods 23 are installed inside the movable supporting grooves 22, rod grooves 24 matched with the supporting rods 23 are formed inside the movable supporting blocks 51, and springs 25 are installed between the movable supporting blocks 51 and on one side edge of each lath 20 close to the rotating rod 19, and the spring 25 is kept away from one end of the slat 20 and is fixedly connected with the outer side edge of the rotating rod 19, through the interaction of the motor two 18 and the rotating rod 19, the slat 20 and the rubber bump 21, the nursing wheelchair can massage the thighs of a patient better when in use, so that the patient can have more comfortable experience, and further the use requirements of people can be better met, handles 26 are symmetrically installed at the top of the chair frame 1, a back plate 27 is installed at one side edge of the chair frame 1 between the handles 26, a shell 28 is installed at the bottom end of one side edge of the chair frame 1, a fan 29 is fixedly installed inside the shell 28, a wind collecting bin 30 is installed at one side edge of the fan 29, a first connecting pipe 31 is installed at the bottom of the wind collecting bin 30, and the bottom end of the first connecting pipe 31 penetrates through and extends to the inner bottom end of the chair frame 1, a plurality of first through holes 32 are uniformly formed in one side of the seat plate 14, which is located at the opening 17, a first fan cover 33 is installed at one end, which is far away from the wind collecting bin 30, of the first connecting pipe 31, the top end of the first fan cover 33 is penetrated through the support plate 13 and fixedly connected with the bottom of the seat plate 14 and the position corresponding to the first through hole 32, a second connecting pipe 34 is installed at the top of the wind collecting bin 30, one end, which is far away from the wind collecting bin 30, of the second connecting pipe 34 is penetrated through and extended to one side of the back plate 27, a plurality of second through holes 35 are uniformly formed in the back plate 27, a second fan cover 36 is installed at one side, which is close to the second connecting pipe 34, of the back plate 27, the second fan cover 36 corresponds to the position of the second through hole 35, one side, which is far away from the back plate 27, is connected with the second connecting pipe 34, and through the fan 29, the wind collecting bin 30, the first connecting pipe 31 and the second connecting pipe 34, the cooperation fan housing 33 with through-hole 32 and fan housing 36 with the interact of through-hole 35 can be convenient for can dispel the heat to patient's back and buttock when using to avoid the wet and hot condition of sitting for a long time in summer to be convenient for can be better satisfy people's user demand, chair frame 1 keeps away from foot rest 37 is installed to a side bottom of backplate 27, be close to on the supporting seat 2 the steamboat 38 is installed to one side symmetry of foot rest 37, keep away from on the supporting seat 2 the steamboat 39 is installed to one side symmetry of foot rest 37.

In the second embodiment, as shown in fig. 1 and 2, positioning blocks 40 are mounted on both sides of the bottom end of the threaded rod 8, and positioning slots 41 adapted to the positioning blocks 40 are formed in both inner sides of the sleeve 10; positioning rods 42 are respectively mounted on the four corner edges of the top of the supporting seat 2, movable sleeves 43 are respectively movably sleeved on the outer side edges of the positioning rods 42, fixed supporting blocks 12 are respectively mounted on one side edges of the movable sleeves 43, one ends of the fixed supporting blocks 12 far away from the movable sleeves 43 are respectively fixedly connected with the four corner edges of the bottom of the chair frame 1, and limit stoppers 44 are respectively mounted on the tops of the positioning rods 42; through the interaction of the positioning fixture block 40, the positioning fixture groove 41, the positioning rod 42 and the movable sleeve 43, and the limit stop 44, when the height is adjusted, the wheelchair can achieve good stability, so that the wheelchair can better meet the use requirements of people.

In the third embodiment, as shown in fig. 1 and 2, power supplies 45 are installed on both sides of the top of the support base 2, and the power supplies 45 are rechargeable power supplies; the power supply 45 can provide stable power supply for the first motor 4, the second motor 18 and the fan 29, so that height adjustment, massage and heat dissipation operations can be performed better, and the use requirements of people can be met better.

In the fourth embodiment, as shown in fig. 6 and 7, movable clamping blocks 46 are respectively installed at the tops of two side edges of the supporting rod 23, and movable clamping grooves 47 matched with the movable clamping blocks 46 are respectively formed at two side edges of the rod groove 24; through the interaction between the movable clamping block 46 and the movable clamping groove 47, the movable supporting block 51 and the supporting rod 23 can achieve stable activity, so that the thigh of the patient can be better massaged, and the use requirements of people can be better met.

In the fifth embodiment, as shown in fig. 1, 2 and 4, a plurality of third through holes 48 are uniformly formed in the baffle plate 11; through three 48 through-holes can make the nursing wheelchair when using, can carry out good ventilation cooling to patient's buttock to be convenient for can make the better comfort of patient, and then be convenient for can satisfy people's user demand.

In a sixth embodiment, as shown in fig. 1 and 4, a dustproof mesh plate 49 is embedded and installed at a position corresponding to the fan 29 on the outer side edge of the housing 28; through dustproof otter board 49 can make the better air inlet operation that carries on of fan 29, and can reach good dustproof effect to be convenient for can be better carry out the heat dissipation operation, and then be convenient for can be better satisfy people's user demand.

In a seventh embodiment, as shown in fig. 2 and 6, the first motor 4 is a forward and reverse motor, and the second motor 18 is a variable speed motor; the height of the patient can be better adjusted, and the thigh of the patient can be better massaged, so that the use requirements of people can be better met.

In an eighth embodiment, as shown in fig. 1, 4 and 5, the outer side edges of the handles 26 are all sleeved with anti-skid rubber sleeves 50; through the antiskid rubber sleeve 50 can be convenient for when using, better promote the nursing wheelchair to be convenient for can be better satisfy people's user demand.

For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.

In practical application, when the height needs to be adjusted, the motor I4 is started, the threaded sleeve 7 is driven to rotate under the interaction of the gear I5 and the gear II 6, and the threaded sleeve 7 drives the threaded rod 8 to rotate, so that the height of the chair frame 1 can be adjusted; when the thighs of the patient need to be massaged, the cushion 15 is taken down, then the thighs of the patient correspond to the opening 17, then the motor II 18 is started to drive the rotating rod 19 to rotate, the rotating rod 19 drives the ribbon board 20 to rotate, so that the thighs of the patient are massaged through the rubber bumps 21, and during massage operation, due to the arrangement of the spring 25, the rubber bumps 21 can be better pushed to be in contact with the thighs of the patient, so that a better massage effect can be achieved; when a patient sits for a long time in summer and feels damp and hot on the back and the buttocks, the fan 29 is started, the buttocks of the patient are radiated through the first connecting pipe 31, the first fan cover 33 and the first through hole 32, and the back of the patient is radiated through the second connecting pipe 34, the second fan cover 36 and the second through hole 35, so that the damp and hot on the buttocks and the back of the patient can be better removed; the in-process that makes nursing wheelchair use can be better in the totality carries out altitude mixture control, the patient of being convenient for uses, and when patient sat for a long time back shank ache numb, can massage its shank to be favorable to patient's recovery more, and then be convenient for can be better satisfy people's user demand.

The present invention can be easily implemented by those skilled in the art from the above detailed description. It should be understood, however, that the intention is not to limit the invention to the particular embodiments described. On the basis of the disclosed embodiments, a person skilled in the art can combine different technical features at will, thereby implementing different technical solutions.

Claims

1. A nursing wheelchair is characterized in that a supporting seat (2) is installed at the bottom of a chair frame (1), a first mounting groove (3) is formed in the supporting seat (2), and a first motor (4) is installed in the first mounting groove (3); a first gear (5) is installed at the top of the first motor (4), a plurality of second gears (6) matched with the first gear (5) are evenly installed on the outer side edge of the first gear (5), threaded sleeves (7) are installed in the middle of the second gears (6) in a penetrating mode, and threaded rods (8) matched with the threaded sleeves (7) are installed in the threaded sleeves (7) in a penetrating mode; the top ends of the threaded rods (8) extend to the lower part of the bottom of the chair frame (1), connecting shaft seats (9) are mounted at the top parts of the threaded rods (8), and the top parts of the connecting shaft seats (9) are fixedly connected with the bottom of the chair frame (1); sleeves (10) matched with the threaded rods (8) are mounted at the bottom of the supporting seat (2) and at positions corresponding to the threaded rods (8), and the bottom ends of the threaded rods (8) extend to the inner bottom ends of the sleeves (10); the chair comprises a chair frame (1), wherein a baffle (11) is arranged on the chair frame (1), supporting blocks (12) are symmetrically arranged at the bottom end inside the chair frame (1), a supporting plate (13) is arranged at the top of each supporting block (12), and a seat plate (14) is arranged at the top of each supporting plate (13); a cushion (15) is installed at the top of the seat plate (14), two mounting grooves (16) are symmetrically formed in the seat plate (14), openings (17) are formed in the tops of the two mounting grooves (16), two motors (18) are installed in the two mounting grooves (16), rotating rods (19) are installed on the sides, close to each other, of the two motors (18), slats (20) are evenly and annularly installed on the outer side edges of the rotating rods (19), a plurality of rubber bumps (21) are installed on the side, far away from the rotating rods (19), of each slat (20), and a plurality of movable supporting blocks (51) are installed on the side, close to the rotating rods (19), of each slat (20); the outer side edge of the rotating rod (19) and the position corresponding to the movable supporting block (51) are respectively provided with a movable supporting groove (22) matched with the movable supporting block (51), supporting rods (23) are respectively arranged in the movable supporting grooves (22), and rod grooves (24) matched with the supporting rods (23) are respectively arranged in the movable supporting block (51); springs (25) are arranged on one side edge of the lath (20) close to the rotating rod (19) and between the movable supporting blocks (51), and one ends, far away from the lath (20), of the springs (25) are fixedly connected with the rotating rod (19);

handles (26) are symmetrically arranged at the top of the chair frame (1), a back plate (27) is arranged between the handles (26) and on one side of the chair frame (1), a shell (28) is arranged at the bottom end of one side of the chair frame (1), and a fan (29) is fixedly arranged in the shell (28); a wind collecting bin (30) is installed on one side edge of the fan (29), a first connecting pipe (31) is installed at the bottom of the wind collecting bin (30), the bottom end of the first connecting pipe (31) penetrates through and extends to the inner bottom end of the chair frame (1), a plurality of first through holes (32) are uniformly formed in one side, located at the opening (17), of the seat plate (14), a first fan cover (33) is installed at one end, far away from the wind collecting bin (30), of the first connecting pipe (31), and the top end of the first fan cover (33) penetrates through the supporting plate (13) and is fixedly connected with the bottom of the seat plate (14); a second connecting pipe (34) is installed at the top of the wind collecting bin (30), one end, far away from the wind collecting bin (30), of the second connecting pipe (34) penetrates through and extends to one side of the back plate (27), a plurality of second through holes (35) are uniformly formed in the back plate (27), a second fan housing (36) is installed on one side, close to the second connecting pipe (34), of the back plate (27), the second fan housing (36) corresponds to the second through holes (35), and one side, far away from the back plate (27), of the second fan housing (36) is connected with the second connecting pipe (34); positioning clamping blocks (40) are respectively installed on two side edges of the bottom end of the threaded rod (8), and positioning clamping grooves (41) matched with the positioning clamping blocks (40) are respectively formed in the inner side edge of the sleeve (10); locating rods (42) are installed on four corner edges of the top of the supporting seat (2), movable sleeves (43) are installed on the outer side edges of the locating rods (42) in a movable sleeved mode, fixed supporting blocks are installed on one side edges of the movable sleeves (43), and one ends, far away from the movable sleeves (43), of the fixed supporting blocks are fixedly connected with the four corner edges of the bottom of the chair frame (1).

2. The nursing wheelchair as claimed in claim 1, wherein a foot rest (37) is mounted at the bottom end of one side of the chair frame (1) far away from the back plate (27), small wheels (38) are symmetrically mounted on one side of the supporting seat (2) close to the foot rest (37), and large wheels (39) are symmetrically mounted on one side of the supporting seat (2) far away from the foot rest (37).

3. The nursing wheelchair as claimed in claim 1, wherein the top of each side edge of the support rod (23) is provided with a movable block (46), and each side edge of the rod groove (24) is provided with a movable block slot (47) adapted to the movable block (46).

4. The nursing wheelchair as claimed in claim 1, wherein the baffle (11) is provided with a plurality of through holes (48).

5. The nursing wheelchair as claimed in claim 1, wherein a dust screen (49) is embedded in the outer side of the housing (28) at a position corresponding to the fan (29).

6. The nursing wheelchair as claimed in claim 1, wherein the positioning rods (42) are each provided with a limit stop at the top, and the support base (2) is provided with a power supply at both sides of the top, and the power supply is a rechargeable power supply.