CN109481165B

CN109481165B - Multifunctional nursing wheelchair

Info

Publication number: CN109481165B
Application number: CN201811511323.1A
Authority: CN
Inventors: 徐益荣; 王峰; 王晨; 王雪纯
Original assignee: Jiangsu Vocational College of Medicine
Current assignee: Suzhou Kuris Medical Technology Co ltd
Priority date: 2018-12-11
Filing date: 2018-12-11
Publication date: 2020-04-21
Anticipated expiration: 2038-12-11
Also published as: CN109481165A

Abstract

The invention discloses a multifunctional nursing wheelchair, which comprises a frame, an adjusting mechanism, a fourth mounting plate, a power mechanism and a rotating mechanism, wherein when a first air cylinder is started, the first air cylinder applies thrust to a jacking rod to enable the jacking rod to move upwards so as to drive a connecting shaft and a first gear to move upwards and further drive the first gear to move upwards, the first gear drives a chain to move upwards and further drive a second mounting plate to move upwards through a first connecting block, so that the second mounting plate moves upwards along the direction of a connecting rod so as to drive the first mounting plate to move upwards, when the first mounting plate needs to be adjusted downwards, the first air cylinder is controlled to apply tension to the jacking rod so that the jacking rod moves downwards and further drives the first gear to move downwards, and the first gear drives the second mounting plate to move downwards through the first connecting block while moving downwards so as to drive the first mounting plate to move downwards, realize that first mounting panel reciprocates at vertical direction and sees to satisfy different height patients' use.

Description

Multifunctional nursing wheelchair

Technical Field

The invention relates to the field of wheelchairs, in particular to a multifunctional nursing wheelchair, and belongs to the technical field of nursing wheelchair application.

Background

The wheelchair is an important tool for rehabilitation, not only is the wheelchair used as a travel tool for physically disabled persons and persons with mobility disabilities, but also more importantly, the wheelchair is used for physical exercise and participating in social activities. The common wheelchair generally comprises a wheelchair frame, wheels, a brake device and a seat back. The hand-operated wheelchair is added with a hand-operated device on the basis of a common wheelchair. The electric wheelchair is additionally provided with an electronic power assisting system on the basis of a common wheelchair, so that the physical consumption of a user is reduced.

Nursing wheelchair has been applied to medical treatment rehabilitation field at present, and current nursing wheelchair most function is comparatively single, can not adjust its height and angle wantonly according to patient's needs, can not satisfy patient's needs, and current electron wheelchair structure is generally comparatively complicated, and the operation is inconvenient, and the cost is higher, can not be promoted by extensive application.

Disclosure of Invention

The invention aims to provide a multifunctional nursing wheelchair, which solves the technical problems that most existing nursing wheelchairs are single in function, cannot adjust the height and angle of the nursing wheelchair according to the needs of patients, cannot meet the needs of the patients, are generally complex in structure, inconvenient to operate, high in cost and cannot be widely applied and popularized.

The purpose of the invention can be realized by the following technical scheme:

a multifunctional nursing wheelchair comprises a frame, an adjusting mechanism, a fourth mounting plate, a power mechanism, a rotating mechanism and a bottom plate, wherein one end of the frame is provided with the adjusting mechanism, the adjusting mechanism comprises a first mounting plate, a baffle plate, a fixing plate, a second mounting plate, a first fixing block, a connecting rod, a first air cylinder, a lifting rod, a connecting shaft, a first gear, a second fixing block, a cross rod, a third fixing block, a first connecting block, a vertical rod, a third mounting plate and a limiting block, the top end of the first mounting plate is provided with the fixing plate through a bolt, one end of the first mounting plate is symmetrically provided with the first fixing block along a central line, the first fixing block is fixedly connected with the second mounting plate through a bolt, the connecting rod is movably connected in the first fixing block, the bottom end of the connecting rod is fixedly connected with the fourth mounting plate through a bolt, the fourth mounting plate is fixedly connected with the, the second fixed block is fixedly connected with the cross bar through a bolt, the cross bar is fixedly connected with the frame through a bolt, a first air cylinder is arranged between the connecting rods, the bottom end of the first air cylinder is fixedly connected with a fourth mounting plate through a bolt, and the top end of the first cylinder is fixedly provided with a jacking rod through a bolt, the upper end of the jacking rod is horizontally provided with a connecting shaft, the connecting shaft is tightly matched and arranged with the jacking rod, and both ends of the connecting shaft are rotatably connected with first gears through bearings, a first connecting block is arranged right below the two first gears, the top end of the first connecting block is provided with a through hole, a third fixing block is fixedly mounted at the bottom end of the first connecting block through a threaded hole, one end of the third fixing block is fixedly connected with the second mounting plate through a bolt, a chain is arranged between the first connecting block and the first gear, one end of the chain is fixedly connected with the first gear through a pin shaft, and the other end of the chain is fixedly connected with the first connecting block through a pin shaft;

the top end of the fixed plate is provided with a rotating mechanism, the rotating mechanism comprises a fixed base plate, a boss, a rotating ring, supporting blocks, a supporting slide block, a fixed rod, a first mounting base, a positioning pin, a guide rod fixing seat, a second air cylinder, a telescopic rod, a fourth fixing block, a clamping block, a second connecting block and a second mounting base, the fixed base plate is fixedly connected with the fixed plate through bolts, the upper surface of the fixed base plate is provided with a plurality of supporting blocks at equal intervals along the circumferential direction, the bottom ends of the supporting blocks are fixedly connected with the fixed base plate through bolts, the top ends of the supporting blocks are fixedly provided with the supporting slide block through bolts, the top end of the supporting slide block is provided with the rotating ring, the rotating ring is internally provided with the second air cylinder, the bottom end of the second air cylinder is fixedly provided with the second, the top of telescopic link has tight piece through round pin axle swing joint, and presss from both sides to be provided with the fourth fixed block between tight piece and the second cylinder, and bolt and second cylinder fixed connection are passed through to the bottom of fourth fixed block, and the fourth fixed block with press from both sides to be provided with the second connecting block between the tight piece, the top of second connecting block through round pin axle with press from both sides tight piece swing joint, and the bottom of second connecting block through round pin axle and fourth fixed block fixed connection.

Furthermore, first mounting panel is inside hollow square structure, and the fixed plate be soft material, and the bottom of fixed plate is fixed with a plurality of elastic columns through the screw hole, and first mounting panel is run through to the bottom of a plurality of elastic columns, and the bottom of a plurality of elastic columns passes through bolt and the top inner wall fixed connection of first mounting panel, and first fixed block is the cylindric structure that the centre is provided with circular through-hole.

Furthermore, the lower surfaces of the two ends of the cross rod are provided with vertical rods, the vertical rods are fixedly connected with the rack through bolts, and a plurality of through holes are formed in the first gear at equal intervals.

Furthermore, the third mounting plates are symmetrically mounted at one end of the first mounting plate through bolts, limiting blocks are fixedly welded on the outer sides of the two third mounting plates, a connecting column is mounted in the limiting block close to one side of the baffle, and the other end of the connecting column penetrates through the other limiting block and is fixedly connected with the second mounting plate.

Furthermore, rotatory ring is the ring structure, and the bottom of rotatory ring is inwards sunken to have a guide rail, and equidistant a plurality of blind holes that are provided with in the guide rail, and sliding connection has the support slide in the guide rail.

Furthermore, one end of each supporting block is provided with a fixed rod, a first installation base is fixedly installed at the bottom end of each fixed rod through a threaded hole, each first installation base is fixedly connected with the corresponding fixed base plate through a bolt, a positioning pin is fixedly welded at the top end of each fixed rod, and the top end of each positioning pin is matched with a blind hole formed in the bottom end of the corresponding rotating ring.

Furthermore, the bottom end of the bottom plate is provided with a power mechanism, the power mechanism comprises a fixed shaft, a fifth mounting plate, a rotating shaft, a rotating wheel, a second gear, a motor, a third gear, a sixth mounting plate and a lug, the lug is fixedly welded on one side of the top end of the fixed shaft, a threaded hole is formed in the lug, the lug is fixedly connected with the lower end of the bottom plate through a bolt, the fifth mounting plate is fixedly welded on the bottom end of the fixed shaft, the fifth mounting plate is of a square structure with a hollow inner part, the rotating shaft is mounted in the middle of the fifth mounting plate, two ends of the rotating shaft penetrate through the fifth mounting plate and extend outwards, the two ends of the rotating shaft are rotatably connected with the rotating wheel through a key, the second gear is oppositely mounted on the rotating wheel and is rotatably connected with the rotating shaft through a key, the motor is fixedly mounted at one, and a sixth mounting plate is fixedly mounted at one end of the motor through a bolt, and a chain is mounted between the third gear and the second gear.

The specific use and working process of the nursing wheelchair are as follows:

the method comprises the following steps that firstly, a cross rod is fixedly installed at the top end of a rack through a bolt, a vertical rod is fixedly installed on the rack through a bolt at the bottom end of the cross rod, a bottom plate is fixedly installed at one end of the rack through a bolt, a baffle is installed at one end of a first installation plate through a bolt, and a fixing plate is installed at the top end of the first installation plate through a bolt;

secondly, fixedly mounting a second mounting plate at one end of the first mounting plate, which is far away from the baffle plate, through a bolt, fixedly connecting a first fixing block with the second mounting plate through a bolt, movably connecting a connecting rod in the first fixing block, fixedly connecting the bottom end of the connecting rod with a fourth mounting plate through a bolt, fixedly connecting the top end of the connecting rod with a second fixing block through a threaded hole, and fixedly connecting the second fixing block with the cross rod through a bolt;

the third step, the bottom end of the first cylinder is fixedly connected with a fourth mounting plate through a bolt, so that the first cylinder is positioned between two connecting rods, the top end of the first cylinder is fixedly provided with a jacking rod through the bolt, a connecting shaft is tightly matched and mounted with the jacking rod, two ends of the connecting shaft are rotatably connected with a first gear through bearings, the bottom end of the first connecting block is fixedly provided with a third fixing block through a threaded hole, one end of the third fixing block is fixedly connected with the second mounting plate through the bolt, one end of a chain is fixedly connected with the first gear through a pin shaft, and the other end of the chain is fixedly connected with the first connecting block through a pin shaft;

fourthly, fixedly connecting the fixed base plate with the fixed plate through bolts, and fixedly connecting the bottom ends of the supporting blocks with the fixed base plate through bolts, so that the supporting blocks are arranged on the upper surface of the fixed base plate at equal intervals along the circumferential direction, supporting slide blocks are fixed at the top ends of the supporting blocks through bolts, a rotating ring is arranged at the top end of each supporting slide block, a guide rail is recessed inwards at the bottom end of each rotating ring, and the supporting slide blocks are connected in the guide rails in a sliding manner;

and fifthly, fixing the bottom end of the second cylinder on a second mounting base through a bolt, fixedly mounting the top end of the second cylinder on a telescopic rod through a threaded hole, movably connecting the top end of the telescopic rod with a clamping block through a pin shaft, fixedly connecting the bottom end of the fourth fixing block with the second cylinder through a bolt, movably connecting the top end of the second connecting block with the clamping block through a pin shaft, and fixedly connecting the bottom end of the second connecting block with the fourth fixing block through a pin shaft.

The invention has the beneficial effects that:

1. the invention relates to a multifunctional nursing wheelchair, wherein a chain is arranged, when a first air cylinder is started, the first air cylinder applies thrust to a lifting rod to enable the lifting rod to move upwards so as to drive a connecting shaft and a first gear to move upwards and further drive a first gear to move upwards, the first gear drives the chain to move upwards and further drive a second mounting plate to move upwards through a first connecting block, so that the second mounting plate moves upwards along the direction of a connecting rod and further drive the first mounting plate to move upwards, when the first mounting plate needs to be adjusted downwards, the first air cylinder is controlled to apply tension to the lifting rod to enable the lifting rod to move downwards and further drive the first gear to move downwards, the first gear drives the second mounting plate to move downwards through the first connecting block while moving downwards, so that the first mounting plate is driven to move downwards, and the vertical movement of the first mounting plate is realized, so as to meet the use requirements of patients with different heights.

2. According to the multifunctional nursing wheelchair, the guide rod is vertically arranged in the rotating ring, the bottom end of the guide rod is fixedly welded with the guide rod fixing seat, the guide rod fixing seat is fixedly connected with the fixed bottom plate through the bolt, the rotating ring and the supporting block are conveniently fixed at the upper end of the fixed bottom plate through the arrangement of the guide rod, the second air cylinder is started through the arrangement of the second air cylinder, and applies downward pressure to the telescopic rod, so that the telescopic rod drives the clamping block to move downwards, the rotating block is further fixed at a specific position, when the rotating ring needs to be rotated, the second air cylinder is controlled to apply upward thrust to the telescopic rod, the telescopic rod is enabled to move upwards, the clamping block is further driven to move upwards, the clamping force applied to the rotating ring is removed, and therefore a patient.

3. According to the multifunctional nursing wheelchair, the first mounting plate is of the square structure with the hollow interior, so that the first mounting plate is lightened, the weight of the whole wheelchair is further lightened, the wheelchair is convenient to carry and use, the buffering force applied to the first mounting plate by the fixing plate can be buffered by arranging the plurality of elastic cylinders, and the damage to the first mounting plate is reduced.

4. According to the multifunctional nursing wheelchair, the top end of the connecting rod is fixedly connected with the second fixing block through the threaded hole, the second fixing block is fixedly connected with the cross rod through the bolt, the cross rod is fixedly connected with the rack through the bolt, the vertical rods are fixedly arranged on the lower surfaces of the two ends of the cross rod through the bolts, and the adjusting mechanism has larger supporting force through the arrangement of the vertical rods and the cross rod, so that the adjusting mechanism is more stable, and the adjusting process is more stable.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic structural view of a multifunctional nursing wheelchair of the invention.

Fig. 2 is a schematic view of the external installation of the rotating mechanism of the present invention.

Fig. 3 is a schematic view of the internal structure of the rotating mechanism of the present invention.

Fig. 4 is a top view of the rotating mechanism of the present invention.

FIG. 5 is a schematic view of the clamping block of the present invention.

FIG. 6 is an elevation view of the clamping block of the present invention.

Fig. 7 is a schematic structural diagram of the power mechanism according to the present invention.

Fig. 8 is a top view of the power mechanism of the present invention.

Fig. 9 is a schematic structural diagram of the adjusting mechanism of the present invention.

In the figure: 1. a frame; 2. an adjustment mechanism; 201. a first mounting plate; 202. a baffle plate; 203. a fixing plate; 204. a second mounting plate; 205. a first fixed block; 206. a connecting rod; 207. a first cylinder; 208. a jacking rod; 209. a connecting shaft; 210. a first gear; 211. a second fixed block; 212. a cross bar; 213. a third fixed block; 214. a first connection block; 215. a vertical rod; 216. a third mounting plate; 217. a limiting block; 3. a fourth mounting plate; 4. a power mechanism; 41. a fixed shaft; 42. a fifth mounting plate; 43. a rotating shaft; 44. a rotating wheel; 45. a second gear; 46. a motor; 47. a third gear; 48. a sixth mounting plate; 49. a bump; 5. a rotation mechanism; 51. fixing the bottom plate; 52. a boss; 53. a rotating ring; 54. a support block; 55. a support slide block; 56. fixing the rod; 57. a first mounting base; 58. positioning pins; 59. a guide bar; 60. a guide rod fixing seat; 61. a second cylinder; 62. a telescopic rod; 63. a fourth fixed block; 64. a clamping block; 65. a second connecting block; 66. a second mounting base; 6. a base plate.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-9, a multifunctional nursing wheelchair comprises a frame 1, an adjusting mechanism 2, a fourth mounting plate 3, a power mechanism 4, a rotating mechanism 5 and a bottom plate 6, wherein the adjusting mechanism 2 is arranged at one end of the frame 1, the adjusting mechanism 2 comprises a first mounting plate 201, a baffle 202, a fixing plate 203, a second mounting plate 204, a first fixing block 205, a connecting rod 206, a first cylinder 207, a lifting rod 208, a connecting shaft 209, a first gear 210, a second fixing block 211, a cross rod 212, a third fixing block 213, a first connecting block 214, a vertical rod 215, a third mounting plate 216 and a limiting block 217, wherein the first mounting plate 201 is of a hollow square structure, so that the first mounting plate 201 is lightened, the weight of the whole wheelchair is lightened, the wheelchair is convenient to carry and use, the baffle 202 is mounted at one end of the first mounting plate 201 through a bolt, the baffle 202 can provide a certain protection for the first mounting plate 201, the top end of the first mounting plate 201 is provided with a fixing plate 203 through a bolt, the fixing plate 203 is made of soft material, the bottom end of the fixing plate 203 is fixedly provided with a plurality of elastic columns through threaded holes, the bottom ends of the elastic columns penetrate through the first mounting plate 201, the bottom ends of the elastic columns are fixedly connected with the inner wall of the top end of the first mounting plate 201 through bolts, the buffering force applied to the first mounting plate 201 by the fixing plate 203 can be buffered through arranging the elastic columns, the damage of the first mounting plate 201 is reduced, one end of the first mounting plate 201 far away from the baffle plate 202 is fixedly provided with a second mounting plate 204 through bolts, one end of the second mounting plate 204 is symmetrically provided with a first fixing block 205 by a central line, the first fixing block 205 is fixedly connected with the second mounting plate 204 through bolts, the first fixing block 205 is of a cylindrical structure with a circular through hole in the middle, bolt and fourth mounting panel 3 fixed connection are passed through to the bottom of connecting rod 206, and fourth mounting panel 3 passes through bolt and bottom plate 6 fixed connection, fourth mounting panel 3 provides the holding power for connecting rod 206, screw hole and second fixed block 211 fixed connection are passed through on the top of connecting rod 206, and second fixed block 211 passes through bolt and horizontal pole 212 fixed connection, horizontal pole 212 passes through bolt and 1 fixed connection of frame, and the both ends lower surface of horizontal pole 212 has montant 215 through bolt fixed mounting, through setting up montant 215 and horizontal pole 212, make adjustment mechanism 2 have bigger holding power, and then make adjustment mechanism 2 more stable, and then make the accommodation process more stable.

A first cylinder 207 is arranged between the two connecting rods 206, the bottom end of the first cylinder 207 is fixedly connected with the fourth mounting plate 3 through a bolt, a lifting rod 208 is fixedly mounted at the top end of the first cylinder 207 through a bolt, a connecting shaft 209 is horizontally arranged at the upper end of the lifting rod 208, the connecting shaft 209 is tightly matched and mounted with the lifting rod 208, two ends of the connecting shaft 209 are rotatably connected with first gears 210 through bearings, a plurality of through holes are formed in the first gears 210 at equal intervals, the weight of the first gears 210 can be reduced through the plurality of through holes, the thrust required by the first cylinder 207 for pushing the lifting rod 208 is reduced, the effects of energy conservation and emission reduction are achieved, a first connecting block 214 is arranged right below the two first gears 210, through holes are formed in the top end of the first connecting block 214, a third fixing block 213 is fixedly mounted at the bottom end of the first connecting block 214 through a threaded hole, and one end of the third fixing block 213 is fixedly connected with the, a chain is arranged between the first connecting block 214 and the first gear 210, one end of the chain is fixedly connected with the first gear 210 through a pin shaft, the other end of the chain is fixedly connected with the first connecting block 214 through a pin shaft, by arranging the chain, when the first cylinder 207 is started, the first cylinder 207 applies a pushing force to the lifting rod 208, so that the lifting rod 208 moves upwards, the connecting shaft 209 and the first gear 210 are further driven to move upwards, the first gear 210 drives the chain to move upwards, the second mounting plate 204 is further driven to move upwards through the first connecting block 214, the second mounting plate 204 moves upwards along the direction of the connecting rod 206, the first mounting plate 201 is further driven to move upwards, when the first mounting plate 201 needs to be adjusted downwards, the first cylinder 207 is controlled to apply a pulling force to the lifting rod 208, so that the lifting rod 208 moves downwards, and the first gear 210 is further driven to move downwards, first gear 210 drives second mounting panel 204 downstream through first connecting block 214 in the time of the downstream, and then drives first mounting panel 201 downstream, realizes that first mounting panel 201 reciprocates in vertical direction and sees to satisfy different height patients' use.

The third mounting panel 216 is installed through the bolt symmetry to the one end of first mounting panel 201, and the equal welded fastening in outside of two third mounting panels 216 has stopper 217, is close to and installs the spliced pole in the stopper 217 of baffle 202 one side, and the other end of spliced pole runs through another stopper 217 and second mounting panel 204 fixed connection, through setting up the spliced pole for first mounting panel 201 has more stable holding power.

The top end of the fixed plate 203 is provided with a rotating mechanism 5, the rotating mechanism 5 comprises a fixed base plate 51, a boss 52, a rotating ring 53, supporting blocks 54, supporting sliders 55, a fixed rod 56, a first mounting base 57, a positioning pin 58, a guide rod 59, a guide rod fixing base 60, a second air cylinder 61, an expansion link 62, a fourth fixing block 63, a clamping block 64, a second connecting block 65 and a second mounting base 66, wherein the fixed base plate 51 is fixedly connected with the fixed plate 203 through bolts, the upper surface of the fixed base plate 51 is provided with a plurality of supporting blocks 54 at equal intervals along the circumferential direction, the bottom ends of the plurality of supporting blocks 54 are fixedly connected with the fixed base plate 51 through bolts, the top ends of the plurality of supporting blocks 54 are fixed with the supporting sliders 55 through bolts, the top end of the supporting slider 55 is provided with the rotating ring 53, the rotating ring 53 is of a circular ring structure, and the guide rail is connected with a supporting slide block 55 in a sliding way, the supporting slide block 55 slides in the guide rail by arranging the supporting slide block 55, so that the supporting slide block 55 provides a supporting force for the rotating ring 53, one end of a plurality of supporting blocks 54 is provided with a fixed rod 56, the bottom end of the fixed rod 56 is fixedly provided with a first mounting base 57 through a threaded hole, the first mounting base 57 is fixedly connected with the fixed base plate 51 through a bolt, the top end of the fixed rod 56 is fixedly welded with a positioning pin 58, the top end of the positioning pin 58 is matched with a blind hole arranged at the bottom end of the rotating ring 53, so that the rotating ring 53 can be fixed at a specific position, a second air cylinder 61 is arranged in the rotating ring 53, the bottom end of the second air cylinder 61 is fixedly provided with a second mounting base 66 through a bolt, the second mounting base 66 is fixedly connected, the top of telescopic link 62 has through round pin axle swing joint and presss from both sides tight piece 64, the top of pressing from both sides tight piece 64 is located the upper end of rotatory ring 53, and press from both sides and be provided with fourth fixed block 63 between tight piece 64 and the second cylinder 61, bolt and second cylinder 61 fixed connection are passed through to the bottom of fourth fixed block 63, and be provided with second connecting block 65 between fourth fixed block 63 and the tight piece 64 of clamp, the top of second connecting block 65 is through round pin axle and pressing from both sides tight piece 64 swing joint, and the bottom of second connecting block 65 is through round pin axle and fourth fixed block 63 fixed connection, the surface of rotatory ring 53 has boss 52 through bearing swing joint, boss 52 is the seat portion that the patient took.

The bottom end of the bottom plate 6 is provided with a power mechanism 4, the power mechanism 4 comprises a fixed shaft 41, a fifth mounting plate 42, a rotating shaft 43, a rotating wheel 44, a second gear 45, a motor 46, a third gear 47, a sixth mounting plate 48 and a lug 49, wherein one side of the top end of the fixed shaft 41 is fixedly welded with the lug 49, the lug 49 is provided with a threaded hole and fixedly connected with the lower end of the bottom plate 6 through a bolt, the bottom end of the fixed shaft 41 is fixedly welded with the fifth mounting plate 42, the fifth mounting plate 42 is of a square structure with a hollow interior, the middle of the fifth mounting plate 42 is provided with the rotating shaft 43, two ends of the rotating shaft 43 penetrate through the fifth mounting plate 42 and extend outwards, two ends of the rotating shaft 43 are rotatably connected with the rotating wheel 44 through a key, the second gear 45 is oppositely arranged on the rotating wheel 44, the second gear 45 is rotatably connected with the rotating shaft 43 through a, be connected with third gear 47 through the key rotation on motor 46's the output shaft, and there is sixth mounting panel 48 in motor 46's one end through bolt fixed mounting, and sixth mounting panel 48 provides the protection for motor 46, installs the chain between third gear 47 and the second gear 45, through setting up the chain for motor 46 drives second gear 45 through third gear 47 and rotates, and then drives the runner 44 rotation, provides power for the wheelchair.

The specific use and working process of the nursing wheelchair are as follows:

firstly, a cross rod 212 is fixedly installed at the top end of a rack 1 through a bolt, a vertical rod 215 is fixedly installed on the rack 1 through a bolt at the bottom end of the cross rod 212, a bottom plate 6 is fixedly installed at one end of the rack 1 through a bolt, a baffle 202 is installed at one end of a first installation plate 201 through a bolt, and a fixing plate 203 is installed at the top end of the first installation plate 201 through a bolt;

secondly, fixedly mounting a second mounting plate 204 on one end, far away from the baffle 202, of the first mounting plate 201 through a bolt, fixedly connecting a first fixing block 205 with the second mounting plate 204 through a bolt, movably connecting a connecting rod 206 in the first fixing block 205, fixedly connecting the bottom end of the connecting rod 206 with a fourth mounting plate 3 through a bolt, fixedly connecting the top end of the connecting rod 206 with a second fixing block 211 through a threaded hole, and fixedly connecting the second fixing block 211 with a cross rod 212 through a bolt;

thirdly, the bottom end of the first cylinder 207 is fixedly connected with the fourth mounting plate 3 through a bolt, so that the first cylinder 207 is positioned between the two connecting rods 206, the top end of the first cylinder 207 is fixedly provided with the jacking rod 208 through the bolt, the connecting shaft 209 is tightly matched and mounted with the jacking rod 208, the two ends of the connecting shaft 209 are rotatably connected with first gears 210 through bearings, the bottom end of the first connecting block 214 is fixedly provided with a third fixing block 213 through a threaded hole, one end of the third fixing block 213 is fixedly connected with the second mounting plate 204 through the bolt, one end of a chain is fixedly connected with the first gears 210 through a pin shaft, and the other end of the chain is fixedly connected with the first connecting block 214 through a pin shaft;

fourthly, fixedly connecting the fixed base plate 51 with the fixed plate 203 through bolts, and fixedly connecting the bottom ends of the plurality of supporting blocks 54 with the fixed base plate 51 through bolts, so that the plurality of supporting blocks 54 are arranged on the upper surface of the fixed base plate 51 at equal intervals along the circumferential direction, supporting sliders 55 are fixed at the top ends of the plurality of supporting blocks 54 through bolts, a rotating ring 53 is arranged at the top end of each supporting slider 55, a guide rail is inwards recessed at the bottom end of each rotating ring 53, and each guide rail is internally connected with the corresponding supporting slider 55 in a sliding manner;

fifthly, fixing the bottom end of the second cylinder 61 through a bolt to a second mounting base 66, fixedly mounting an expansion rod 62 at the top end of the second cylinder 61 through a threaded hole, movably connecting the top end of the expansion rod 62 with a clamping block 64 through a pin shaft, fixedly connecting the bottom end of the fourth fixing block 63 with the second cylinder 61 through a bolt, movably connecting the top end of the second connecting block 65 with the clamping block 64 through a pin shaft, and fixedly connecting the bottom end of the second connecting block 65 with the fourth fixing block 63 through a pin shaft.

When the invention is used, a first connecting block 214 is arranged right below two first gears 210, the top end of the first connecting block 214 is provided with a through hole, the bottom end of the first connecting block 214 is fixedly provided with a third fixing block 213 through a threaded hole, one end of the third fixing block 213 is fixedly connected with a second mounting plate 204 through a bolt, a chain is arranged between the first connecting block 214 and the first gears 210, one end of the chain is fixedly connected with the first gears 210 through a pin shaft, the other end of the chain is fixedly connected with the first connecting block 214 through a pin shaft, through arranging the chain, when the first cylinder 207 is started, the first cylinder 207 applies thrust to the lifting rod 208, so that the lifting rod 208 moves upwards, the connecting shaft drives the connecting shaft 209 and the first gears 210 to move upwards, and further drives the first gears 210 to move upwards, the first gears 210 drive the chain to move upwards, further drives the second mounting plate 204 to move upwards through the first connecting block 214, when the first mounting plate 201 needs to be adjusted downwards, the first air cylinder 207 is controlled to apply a pulling force to the jacking rod 208, so that the jacking rod 208 moves downwards, and the first gear 210 is driven to move downwards, the second mounting plate 204 is driven to move downwards by the first connecting block 214 while the first gear 210 moves downwards, and the first mounting plate 201 is driven to move downwards, so that the first mounting plate 201 can move vertically, and the first mounting plate 201 can be used by patients with different heights; through setting up vertical guide arm 59 that is provided with in rotatory ring 53, the bottom welded fastening of guide arm 59 has guide arm fixing base 60, and guide arm fixing base 60 passes through bolt and PMKD 51 fixed connection, through setting up guide arm 59, make things convenient for rotatory ring 53 and supporting shoe 54 to fix in PMKD 51 upper end, through setting up second cylinder 61, open second cylinder 61, second cylinder 61 exerts decurrent pressure to telescopic link 62, make telescopic link 62 drive and press from both sides tight piece 64 downstream, and then fix rotatory ring 53 in specific position, when needs rotate rotatory ring 53, control second cylinder 61 upwards exert thrust to telescopic link 62, make telescopic link 62 rebound, and then drive and press from both sides tight piece 64 upward movement, make and press from both sides tight piece 64 and get rid of the clamp force of exerting on rotatory ring 53, thereby make the patient can rotate the angle as required.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A multifunctional nursing wheelchair is characterized by comprising a rack (1), an adjusting mechanism (2), a fourth mounting plate (3), a power mechanism (4), a rotating mechanism (5) and a bottom plate (6), wherein the adjusting mechanism (2) is arranged at one end of the rack (1), the adjusting mechanism (2) comprises a first mounting plate (201), a baffle (202), a fixing plate (203), a second mounting plate (204), a first fixing block (205), a connecting rod (206), a first air cylinder (207), a jacking rod (208), a connecting shaft (209), a first gear (210), a second fixing block (211), a cross rod (212), a third fixing block (213), a first connecting block (214), a vertical rod (215), a third mounting plate (216) and a limiting block (217), the fixing plate (203) is mounted at the top end of the first mounting plate (201) through a bolt, the first fixing block (205) is symmetrically arranged at one end of the first mounting plate (201) along a central line, the first fixing block (205) is fixedly connected with the second mounting plate (204) through a bolt, a connecting rod (206) is movably connected in the first fixing block (205), the bottom end of the connecting rod (206) is fixedly connected with the fourth mounting plate (3) through a bolt, the fourth mounting plate (3) is fixedly connected with the bottom plate (6) through a bolt, the top end of the connecting rod (206) is fixedly connected with the second fixing block (211) through a threaded hole, the second fixing block (211) is fixedly connected with the cross rod (212) through a bolt, the cross rod (212) is fixedly connected with the rack (1) through a bolt, a first air cylinder (207) is arranged between the connecting rods (206), the bottom end of the first air cylinder (207) is fixedly connected with the fourth mounting plate (3) through a bolt, a jacking rod (208) is fixedly mounted at the top end of the first air cylinder (207) through a bolt, a connecting shaft (209) is horizontally arranged at the upper end, the connecting shaft (209) is installed in a tight fit mode with the jacking rod (208), two ends of the connecting shaft (209) are rotatably connected with first gears (210) through bearings, first connecting blocks (214) are arranged under the two first gears (210), through holes are formed in the top ends of the first connecting blocks (214), third fixing blocks (213) are fixedly installed at the bottom ends of the first connecting blocks (214) through threaded holes, one ends of the third fixing blocks (213) are fixedly connected with the second installation plate (204) through bolts, a chain is arranged between the first connecting blocks (214) and the first gears (210), one ends of the chain are fixedly connected with the first gears (210) through pin shafts, and the other ends of the chain are fixedly connected with the first connecting blocks (214) through pin shafts;

the top end of the fixed plate (203) is provided with a rotating mechanism (5), the rotating mechanism (5) comprises a fixed base plate (51), a boss (52), a rotating ring (53), supporting blocks (54), supporting slide blocks (55), a fixed rod (56), a first mounting base (57), a positioning pin (58), a guide rod (59), a guide rod fixing base (60), a second air cylinder (61), an expansion link (62), a fourth fixed block (63), a clamping block (64), a second connecting block (65) and a second mounting base (66), the fixed base plate (51) is fixedly connected with the fixed plate (203) through bolts, the upper surface of the fixed base plate (51) is provided with a plurality of supporting blocks (54) at equal intervals along the circumferential direction, the bottom ends of the supporting blocks (54) are fixedly connected with the fixed base plate (51) through bolts, and the top ends of the supporting blocks (54) are fixed with, the top end of the support sliding block (55) is provided with a rotating ring (53), the outer surface of the rotating ring (53) is movably connected with a boss (52) through a bearing, a second air cylinder (61) is arranged in the rotating ring (53), the bottom end of the second air cylinder (61) is fixedly provided with a second installation base (66) through a bolt, the second installation base (66) is fixedly connected with the fixed bottom plate (51) through a bolt, the top end of the second air cylinder (61) is fixedly provided with an expansion link (62) through a threaded hole, the top end of the expansion link (62) is movably connected with a clamping block (64) through a pin shaft, a fourth fixed block (63) is arranged between the clamping block (64) and the second air cylinder (61), the bottom end of the fourth fixed block (63) is fixedly connected with the second air cylinder (61) through a bolt, a second connecting block (65) is arranged between the fourth fixed block (63) and the clamping block (64), the top end of the second, and the bottom end of the second connecting block (65) is fixedly connected with the fourth fixing block (63) through a pin shaft.

2. The multifunctional nursing wheelchair as claimed in claim 1, wherein the first mounting plate (201) is a square structure with a hollow interior, the fixing plate (203) is made of a soft material, a plurality of elastic cylinders are fixed at the bottom end of the fixing plate (203) through threaded holes, the bottom ends of the elastic cylinders penetrate through the first mounting plate (201), the bottom ends of the elastic cylinders are fixedly connected with the inner wall of the top end of the first mounting plate (201) through bolts, and the first fixing block (205) is a cylindrical structure with a circular through hole in the middle.

3. The multifunctional nursing wheelchair as claimed in claim 1, wherein vertical rods (215) are mounted on the lower surfaces of the two ends of the cross rod (212), the vertical rods (215) are fixedly connected with the frame (1) through bolts, and a plurality of through holes are arranged on the first gear (210) at equal intervals.

4. The multifunctional nursing wheelchair as claimed in claim 1, wherein the first mounting plate (201) is symmetrically provided with third mounting plates (216) at one end thereof through bolts, the outer sides of the two third mounting plates (216) are respectively welded and fixed with a limiting block (217), a connecting column is arranged in the limiting block (217) at one side close to the baffle (202), and the other end of the connecting column penetrates through the other limiting block (217) and is fixedly connected with the second mounting plate (204).

5. The multifunctional nursing wheelchair as claimed in claim 1, wherein the rotating ring (53) is a circular ring structure, and the bottom end of the rotating ring (53) is recessed with a guide rail, the guide rail is provided with a plurality of blind holes at equal intervals, and the guide rail is connected with a supporting slide block (55) in a sliding manner.

6. The multifunctional nursing wheelchair as claimed in claim 1, wherein a fixing rod (56) is disposed at one end of each of the supporting blocks (54), a first mounting base (57) is fixedly mounted at the bottom end of the fixing rod (56) through a threaded hole, the first mounting base (57) is fixedly connected with the fixing bottom plate (51) through a bolt, a positioning pin (58) is fixedly welded at the top end of the fixing rod (56), and the top end of the positioning pin (58) is matched with a blind hole disposed at the bottom end of the rotating ring (53).

7. The multifunctional nursing wheelchair as claimed in claim 1, wherein the bottom end of the bottom plate (6) is provided with a power mechanism (4), the power mechanism (4) comprises a fixed shaft (41), a fifth mounting plate (42), a rotating shaft (43), a rotating wheel (44), a second gear (45), a motor (46), a third gear (47), a sixth mounting plate (48) and a convex block (49), one side of the top end of the fixed shaft (41) is fixedly welded with the convex block (49), the convex block (49) is provided with a threaded hole, the convex block (49) is fixedly connected with the lower end of the bottom plate (6) through a bolt, the bottom end of the fixed shaft (41) is fixedly welded with the fifth mounting plate (42), the fifth mounting plate (42) is of a square structure with a hollow interior, the rotating shaft (43) is mounted in the middle of the fifth mounting plate (42), and two ends of the rotating shaft (43) extend outwards through the fifth mounting plate (, and the both ends of pivot (43) are connected with runner (44) through the key rotation, and install second gear (45) in opposite directions of runner (44), second gear (45) are connected with pivot (43) through the key rotation, bolt fixed mounting has motor (46) through the one end of fifth mounting panel (42), be connected with third gear (47) through the key rotation on the output shaft of motor (46), and the one end of motor (46) has sixth mounting panel (48) through bolt fixed mounting, install the chain between third gear (47) and second gear (45).

8. The use method of the multifunctional nursing wheelchair as claimed in claim 1, which comprises the following steps:

firstly, a cross rod (212) is fixedly installed at the top end of a rack (1) through a bolt, a vertical rod (215) is fixedly installed on the rack (1) through a bolt at the bottom end of the cross rod (212), a bottom plate (6) is fixedly installed at one end of the rack (1) through a bolt, a baffle (202) is installed at one end of a first installation plate (201) through a bolt, and a fixing plate (203) is installed at the top end of the first installation plate (201) through a bolt;

secondly, fixedly mounting a second mounting plate (204) at one end, far away from the baffle (202), of the first mounting plate (201) through a bolt, fixedly connecting a first fixing block (205) with the second mounting plate (204) through a bolt, movably connecting a connecting rod (206) in the first fixing block (205), fixedly connecting the bottom end of the connecting rod (206) with a fourth mounting plate (3) through a bolt, fixedly connecting the top end of the connecting rod (206) with a second fixing block (211) through a threaded hole, and fixedly connecting the second fixing block (211) with a cross rod (212) through a bolt;

thirdly, the bottom end of a first air cylinder (207) is fixedly connected with a fourth mounting plate (3) through a bolt, the first air cylinder (207) is located between two connecting rods (206), the top end of the first air cylinder (207) is fixedly mounted with a jacking rod (208) through the bolt, a connecting shaft (209) and the jacking rod (208) are mounted in a tight fit mode, two ends of the connecting shaft (209) are rotatably connected with first gears (210) through bearings, a third fixing block (213) is fixedly mounted at the bottom end of a first connecting block (214) through threaded holes, one end of the third fixing block (213) is fixedly connected with a second mounting plate (204) through the bolt, one end of a chain is fixedly connected with the first gears (210) through a pin shaft, and the other end of the chain is fixedly connected with the first connecting block (214) through the pin shaft;

fourthly, fixedly connecting a fixed base plate (51) with a fixed plate (203) through bolts, and fixedly connecting the bottom ends of a plurality of supporting blocks (54) with the fixed base plate (51) through bolts, so that the supporting blocks (54) are arranged on the upper surface of the fixed base plate (51) at equal intervals along the circumferential direction, supporting slide blocks (55) are fixed at the top ends of the supporting blocks (54) through bolts, a rotating ring (53) is arranged at the top end of each supporting slide block (55), a guide rail is inwards sunken at the bottom end of each rotating ring (53), and the supporting slide blocks (55) are connected in the guide rail in a sliding manner;

fifthly, the bottom end of the second cylinder (61) is fixed on a second mounting base (66) through a bolt, the top end of the second cylinder (61) is fixedly provided with an expansion rod (62) through a threaded hole, the top end of the expansion rod (62) is movably connected with a clamping block (64) through a pin shaft, the bottom end of the fourth fixing block (63) is fixedly connected with the second cylinder (61) through a bolt, the top end of the second connecting block (65) is movably connected with the clamping block (64) through a pin shaft, and the bottom end of the second connecting block (65) is fixedly connected with the fourth fixing block (63) through a pin shaft.