CN114469653B - A lower limb rehabilitation exercise device for patient rehabilitation - Google Patents

Abstract

The invention belongs to the technical field of rehabilitation equipment, and specifically relates to a lower limb rehabilitation exerciser for patient rehabilitation. An upper support cavity is provided on the bottom plate; the upper support cavity includes a sitting area, and a soothing device corresponding to the sitting area is provided on the bottom plate. device; the upper support cavity is also rotatably connected to a backrest corresponding to the sitting area, and a sitting and lying device that drives the backrest to rotate is provided in the upper support cavity; the upper support cavity is also provided with a backrest corresponding to the sitting area. An exercise device, the exercise device includes a transmission structure, and an exercise structure is connected to the transmission structure; the exercise structure includes a pair of rotating plates that are rotationally connected to the upper support cavity, and a thigh support plate is rotationally connected to the pair of rotating plates. A calf support plate is rotatably connected to the thigh support plate; a slider is slidingly connected to the rotating plate, and the calf support plate is rotatably connected to the slider; the present invention effectively solves the problem of poor exercise effect of existing rehabilitation exercisers.

Description

A lower limb rehabilitation exercise device for patient rehabilitation

Technical field

The invention belongs to the technical field of rehabilitation equipment and relates to a rehabilitation exerciser, in particular to a lower limb rehabilitation exerciser for patient rehabilitation.

Background technique

Rehabilitation exercise refers to physical activities that are beneficial to recovery or improvement of function after injury. Except for serious injuries that require rest and treatment, general injuries do not have to completely stop physical exercises; appropriate and scientific physical exercises can quickly heal injuries and promote function. recovery has a positive effect.

When performing rehabilitation exercises on the patient's lower limbs, corresponding rehabilitation exercise equipment is often used for exercise; when the existing rehabilitation exercise equipment is used, it mostly drives the patient to perform simple leg bending movements, which cannot effectively exercise the patient's leg muscles. Comprehensive rehabilitation exercise affects the patient's rehabilitation effect; secondly, patients are prone to boredom after a long period of single exercise, which affects the patient's enthusiasm for training and thus affects the patient's rehabilitation effect.

Contents of the invention

In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a lower limb rehabilitation exerciser for patient rehabilitation, which effectively solves the problem of poor exercise effect of the existing rehabilitation exerciser.

In order to achieve the above object, the present invention adopts the following technical solution: a lower limb rehabilitation exerciser for patient rehabilitation, which includes a bottom plate, and an upper support cavity is provided on the bottom plate; the upper support cavity includes a sitting area, and the bottom plate is provided with a sitting board. The upper support cavity is also provided with a backrest corresponding to the sitting area, and a sitting and lying device that drives the backrest to rotate is provided in the upper support cavity; the upper support cavity is also provided with a backrest corresponding to the sitting area. There is an exercise device corresponding to the sitting area. The exercise device includes a transmission structure, and the transmission structure is connected with the exercise structure.

The exercise structure includes a pair of rotating plates that are rotationally connected to the upper support cavity. A thigh support plate is rotationally connected to the pair of rotating plates, and a calf support plate is rotationally connected to the thigh support plate. The rotating plates are slidingly connected. There is a slider, and the calf support plate is rotationally connected to the slider; the transmission structure is connected to a crank slider assembly that drives the slider movement, and the crank length of the crank slider assembly increases from small to large and from large to small with the movement of the transmission structure. reciprocating changes; the transmission structure is also connected with a rotating component that drives the rotating plate to rotate, and the transmission structure drives the crank slider component and the rotating component in sequence.

Further, the sitting and lying device includes a sitting and lying motor fixedly connected to the bottom plate, the output end of the sitting and lying motor is connected to a sitting and lying bevel gear set; the output end of the sitting and lying bevel gear set is connected to a sitting and lying screw rod, A sitting and lying block is screwed to the sitting and lying screw rod and is slidably connected to the bottom plate; a pair of support rods are rotatably connected to the sitting and lying block, and the other ends of the pair of support rods are rotatably connected to the backrest.

Further, the soothing device includes soothing structures evenly distributed on the seat area, and a driving structure is provided on the bottom plate to drive the soothing structure; the driving structure includes a soothing motor, and the output end of the soothing motor is connected to a soothing bevel gear set ; The output end of the relaxing bevel gear set is connected to a pair of connecting bevel gear sets, and the output end of a pair of the connecting bevel gear sets is connected to a synchronizing shaft; the bottom plate is fixed with a pair of vertical plates, and a pair of synchronizing shafts are respectively connected with The corresponding vertical plates are rotationally connected; a pair of driving bevel gear sets are connected to a pair of synchronization shafts, and a driving rod is connected to the output end of a pair of driving bevel gear sets; a synchronizing rod is rotationally connected to the driving rod. , the other end of the synchronizing rod is rotatably connected to a driven rod, and the other end of the driven rod is rotatably connected to the vertical plate; a hinged rod is provided in the middle of the synchronized rod, a drive plate is hingedly connected to the hinged rod, and the four hinged rods are connected to the drive The plates are rotationally connected; the driving plates are evenly distributed with driving blocks corresponding to the relief structure, and the driving blocks are provided with slopes.

Further, the relief structure includes a sleeve fixedly connected to the seat area, and a fixed plate is fixed inside the sleeve; an upper guide rod is fixedly connected to the fixed plate, and a relief plate is slidably connected to the upper guide rod; A relief rod is fixedly connected to the relief plate, and a relief head is connected to the relief rod; a lower guide rod is slidably connected to the relief plate, and a driving head that matches the driving block is fixed to the lower guide rod; the upper guide The rod is provided with an upper buffer spring corresponding to the relief plate, and the lower guide rod is provided with a lower buffer spring corresponding to the relief plate. The upper buffer spring and the lower buffer spring are respectively located on both sides of the relief plate.

Further, the transmission structure includes an exercise motor fixedly connected to the base plate. The output end of the exercise motor is connected to a first bevel gear set; the output end of the first bevel gear set is connected to a pair of second bevel gear sets, and a pair of second bevel gear sets are connected to the output end of the exercise motor. Incomplete gears are connected to the output ends of the second bevel gear set; a pair of incomplete gears are meshed with a rotating driving wheel, and an input bevel gear set is connected to the rotating driving wheel; the incomplete gears are coaxial A main limit plate is fixedly connected, and the rotating driving wheel is coaxially fixed with an auxiliary limit plate that matches the main limit plate; the output end of the input bevel gear set is connected to an output bevel gear set, and the output bevel gear set is connected to the output end of the input bevel gear set. The output end is connected to the rotating component.

Further, a pair of incomplete gears are meshed with a bent-leg driving wheel, and a large gear is coaxially connected to the bent-leg driving wheel; a small gear is meshed with the large gear, and an input gear is coaxially connected to the small gear. wheel; an idler wheel is rotatably connected to the base plate, and an output wheel is engaged with the idler wheel; a conversion chute is fixedly connected to the base plate, and a conversion block is slidingly connected to the conversion chute; and a conversion block is rotatably connected to the conversion block. The input wheel meshes with the conversion gear. The conversion gear is located between the input wheel, the idler gear and the output wheel. The conversion gear slides along the conversion chute with the conversion block and meshes with the idler wheel or the output wheel respectively; the bent-leg driving wheel also A crank driving wheel is fixed coaxially, and a crank driven wheel is engaged with a crank driven wheel that is coaxially arranged with the output wheel. A crank shaft is connected to the crank driven wheel.

Further, the crank slider assembly includes an adjustable crank fixedly connected to the crankshaft, the adjustable crank is provided with an adjusting bevel gear set, and the input end of the adjusting bevel gear set is connected to the output wheel; the adjusting bevel gear set The output end is connected to a reciprocating screw rod, and the reciprocating screw rod is screwed with an adjusting block that is slidingly connected to the adjustable crank; the adjusting block is rotatably connected to a drawbar, and the other end of the drawbar is rotatably connected to the slider.

Further, the rotating assembly includes a parallel rod connected to the output end of the output bevel gear set, a connecting rod is rotatably connected to the parallel rod, and the other end of the connecting rod is rotatably connected to the rotating plate.

Further, a lower support cavity is fixed on the bottom plate, and the lower support cavity corresponds to the rotating plate; legs are also fixed on the bottom plate, and an armrest corresponding to the sitting area is fixed on the upper support cavity. .

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

When the invention is in use, the transmission structure drives the crank slider assembly and the rotating assembly in sequence, and the crank slider assembly drives the slider to slide along the rotating plate; the slider drives the calf support plate to rotate along the thigh support plate, and the thigh support plate moves along the rotating plate Rotate, through the thigh support plate and calf support plate, the patient can bend the leg; after the crank slider assembly, thigh support plate, and calf support plate drive the patient to bend the leg, the rotating assembly drives the rotating plate to rotate, and then the patient's leg can be bent. Opening and closing training; through the crank slider assembly, the crank length changes back and forth from small to large, and from large to small according to the movement of the transmission structure, thereby enabling patients to perform corresponding leg opening and closing training at different degrees of leg flexion. , enabling patients to conduct comprehensive and step-by-step rehabilitation training and improve the effectiveness of patient rehabilitation.

Description of the drawings

Figure 1 is a first isometric view of the present invention;

Figure 2 is a second isometric view of the present invention;

Figure 3 is a first isometric view of the internal structure of the present invention;

Figure 4 is a second isometric view of the internal structure of the present invention;

Figure 5 is a schematic structural diagram of the exercise device in the present invention;

Figure 6 is a schematic structural diagram of the transmission structure in the present invention;

Figure 7 is a schematic structural diagram of the exercise structure in the present invention;

Figure 8 is a schematic diagram of the mating state of the crank slider assembly and the transmission assembly in the present invention;

Figure 9 is a first isometric view of the mating state of the transmission assembly, reciprocating screw rod and adjustment block in the present invention;

Figure 10 is a second isometric view of the mating state of the transmission assembly, reciprocating screw rod, and adjustment block in the present invention;

Figure 11 is a schematic diagram of the mating state of the input wheel, output wheel, conversion gear, idler gear, conversion block, etc. in the present invention;

Figure 12 is a schematic structural diagram of the soothing device in the present invention;

Figure 13 is an enlarged schematic diagram of area A in Figure 12 according to the present invention;

Figure 14 is a schematic diagram of the internal structure of the soothing structure in the present invention;

In the picture: 1. Lower support cavity, 2. Exercise device, 201. Transmission structure, 202. Adjustable crank, 203. Rotating plate, 204. Traction rod, 205. Parallel rod, 206. Connecting rod, 207. Exercise motor, 208. The first bevel gear set, 209. The second bevel gear set, 210. Incomplete gear, 211. Rotating driving wheel, 212. Input bevel gear set, 213. Output bevel gear set, 214. Flexing leg driving wheel, 215 , large gear, 216, small gear, 217, idler gear, 218, output wheel, 219, input wheel, 220, crank driven wheel, 221, crank shaft, 222, adjusting bevel gear set, 223, calf support plate, 224, Fixed belt, 225. Thigh support plate, 226. Slider, 227. Reciprocating screw rod, 228. Main limit plate, 229. Adjustment block, 230. Crank driving wheel, 231. Conversion gear, 232. Conversion chute; 3 , Upper support cavity, 4. Sitting area, 5. Armrest, 6. Soothing device, 601. Soothing motor, 602. Soothing bevel gear set, 603. Connecting bevel gear set, 604. Synchronous shaft, 605. Drive plate, 606 , drive block, 607, drive bevel gear set, 608, driving rod, 609, hinged rod, 610, driven rod, 611, synchronization rod, 612, relief head, 613, relief rod, 614, fixed plate, 615, upper Buffer spring, 616, lower guide rod, 617, upper guide rod, 618, lower buffer spring, 619, drive head; 7, backrest, 8, bottom plate, 9, legs, 10, sitting and lying motor, 11, support rod, 12. Sit and lie down screw, 13. Sit and lie down block.

Detailed ways

A lower limb rehabilitation exerciser for patient rehabilitation, as shown in Figure 1-14, includes a base plate 8, and an upper support cavity 3 is provided on the base plate 8; the upper support cavity 3 includes a sitting area 4, and the base plate 8 is provided with a There is a soothing device 6 corresponding to the sitting area 4; the upper support cavity 3 is also rotatably connected to a backrest 7 corresponding to the sitting area 4, and a sitting and lying device is provided in the upper support cavity 3 to drive the backrest 7 to rotate; The above-mentioned support cavity 3 is also provided with an exercise device 2 corresponding to the seat area 4. The exercise device 2 includes a transmission structure 201, and the transmission structure 201 is connected to an exercise structure.

When the invention is in use, the patient can sit on the seat area 4 and lean on the backrest 7, and perform rehabilitation exercises through the exercise structure. In addition, the patient's buttocks can be soothed and massaged through the soothing device 6 to improve the blood circulation of the patient's buttocks and improve the patient's health. Restoration effect; in addition, the sitting and lying device drives the backrest 7 to rotate along the upper support cavity 3, so that the patient can exercise at a comfortable angle, thereby improving the patient's comfort and enthusiasm.

The exercise structure includes a pair of rotating plates 203 that are rotationally connected to the upper support cavity 3. A thigh support plate 225 is rotationally connected to the pair of rotation plates 203, and a calf support plate 223 is rotationally connected to the thigh support plate 225; so The rotating plate 203 is slidably connected to a slider 226, and the calf support plate 223 is rotationally connected to the slider 226; the transmission structure 201 is connected to a crank slider 226 assembly that drives the slider 226 to move, and the crank slider 226 assembly is driven along with the transmission. The length of the action crank of the structure 201 changes back and forth from small to large, and from large to small; the transmission structure 201 is also connected to a rotating component that drives the rotating plate 203 to rotate. The transmission structure 201 drives the crank slider 226 component and the rotating component in turn. Action; The thigh support plate 225 and the calf support plate 223 are both provided with fixed belts 224, and the patient's legs are fixed through the fixed belts 224 to improve the stability of exercise.

When the exercise device 2 is in use, the transmission structure 201 drives the crank slider 226 assembly and the rotating assembly in sequence. The crank slider 226 assembly drives the slider 226 to slide along the rotating plate 203; the slider 226 drives the calf support plate 223 along the thigh support plate 225. Rotate, the thigh support plate 225 rotates along the rotating plate 203, and the patient's leg flexion is realized through the thigh support plate 225 and the calf support plate 223; the crank slider 226 assembly, the thigh support plate 225, and the calf support plate 223 drive the patient to bend the leg. Behind the legs, the rotating assembly drives the rotating plate 203 to rotate, thereby realizing the training of opening and closing the patient's legs; through the crank slider 226 assembly, the crank length changes back and forth from small to large and from large to small with the action of the transmission structure 201, and then It enables patients to perform corresponding leg opening and closing training at different degrees of leg flexion, so that patients can conduct comprehensive and step-by-step rehabilitation training and improve the patient's rehabilitation effect.

Further, as described below, the sitting and lying bevel gear set, the second bevel gear set 209, the input bevel gear set 212, the output bevel gear set 213, the adjusting bevel gear set 222, the relaxing bevel gear set 602, and the connecting bevel gear set 603 The driving bevel gear set 607 includes a driving bevel gear, the driving bevel gear is meshed with a driven bevel gear, the driving bevel gear is the input end, and the driven bevel gear is the output end; the first bevel gear set 208 includes an input bevel gear , the input bevel gear is meshed with an output bevel gear, the input bevel gear is the input end, and the output bevel gear is the output end.

Further, as shown in Figure 4, the sitting and lying device includes a sitting and lying motor 10 fixedly connected to the bottom plate 8. The output end of the sitting and lying motor 10 is connected to a sitting and lying bevel gear set; the sitting and lying bevel gear set is The output end is connected to a sitting and lying screw rod 12, and a sitting and lying block 13 slidably connected to the bottom plate 8 is screwed to the sitting and lying screw rod 12; a pair of support rods 11 are rotatably connected to the sitting and lying block 13, and a pair of the support rods 11 are rotatably connected to the sitting and lying block 13. The other end of the rod 11 is rotatably connected to the backrest 7 .

When the sitting and lying device is in use, the sitting and lying motor 10 moves. The sitting and lying motor 10 drives the sitting and lying screw rod 12 to rotate through the sitting and lying bevel gear set. The sitting and lying screw rod 12 drives the sitting and lying block 13 to slide along the bottom plate 8. The sitting and lying block 13 The backrest 7 is driven to rotate along the upper support cavity 3 through a pair of support rods 11; through the arrangement of the sitting and lying device, the patient's comfort during training can be effectively improved.

Further, as shown in Figures 12 and 13, the soothing device 6 includes soothing structures evenly distributed on the sitting area 4, and the bottom plate 8 is provided with a driving structure to drive the soothing structure; the driving structure includes a soothing motor. 601. The output end of the relief motor 601 is connected to a relief bevel gear set 602; the output end of the relief bevel gear set 602 is connected to a pair of connecting bevel gear sets 603, and the output ends of a pair of the connecting bevel gear sets 603 are connected to a synchronous Shaft 604; a pair of vertical plates are fixedly connected to the bottom plate 8, and a pair of synchronization shafts 604 are respectively connected to the corresponding vertical plates; a pair of driving bevel gear sets 607 are connected to a pair of synchronization shafts 604, and a pair of the The output ends of the driving bevel gear sets 607 are connected to driving rods 608; the driving rods 608 are rotatably connected to a synchronizing rod 611, and the other end of the synchronizing rod 611 is rotatably connected to a driven rod 610. The other end of the driven rod 610 is connected to the vertical plate. Rotation connection; the middle part of the synchronization rod 611 is provided with a hinge rod 609, a drive plate 605 is hingedly connected to the hinge rod 609, and the four hinge rods 609 are all rotationally connected to the drive plate 605; the drive plate 605 is evenly distributed with The driving block 606 corresponding to the relief structure is provided with a slope.

When the soothing device 6 is in use, the soothing motor 601 drives a pair of connected bevel gear sets 603 through the soothing bevel gear set 602; the pair of connected bevel gear sets 603 drives the corresponding synchronous shaft 604 to rotate, and the synchronous shaft 604 drives the bevel gear set 607 Drive the corresponding active lever 608 to rotate; the active lever 608 drives the synchronizing lever 611 to move by cooperating with the driven lever 610, the synchronizing lever 611 drives the driving plate 605 to move up, down, left and right through the hinge rod 609, and the driving plate 605 drives the relief structure through the driving block 606 Movement, soothing structure massages the patient.

Further, as shown in Figure 14, the relief structure includes a sleeve fixedly connected to the seat area 4, and a fixed plate 614 is fixed inside the sleeve; an upper guide rod 617 is fixedly connected to the fixed plate 614, and the upper guide rod 617 is fixed to the fixed plate 614. A relief plate is slidably connected to the guide rod 617; a relief rod 613 is fixedly connected to the relief plate, and a relief head 612 is connected to the relief rod 613; a lower guide rod 616 is slidably connected to the relief plate, and the lower guide rod 616 is A driving head 619 that matches the driving block 606 is fixedly connected; the upper guide rod 617 is provided with an upper buffer spring 615 corresponding to the relief plate, and the lower guide rod 616 is provided with a lower buffer spring corresponding to the relief plate. 618, the upper buffer spring 615 and the lower buffer spring 618 are respectively provided on both sides of the relief plate.

When the soothing structure is in use, the driving block 606 slides along the sleeve through the driving head 619. The driving head 619 cooperates with the lower buffer spring 618 and the lower guide rod 616 to drive the soothing plate to rise. The soothing plate drives the soothing head 612 to the patient through the soothing rod 613. Carry out compression massage; at the same time, the relief plate slides along the upper guide rod 617 to press the upper buffer spring 615; the relief plate is buffered by the cooperation of the upper buffer spring 615 and the lower buffer spring 618, thereby improving the pressure of the relief head 612 on the patient. Comfort.

Further, as shown in Figures 6, 9, 10, and 11, the transmission structure 201 includes an exercise motor 207 fixedly connected to the base plate 8. The output end of the exercise motor 207 is connected to a first bevel gear set 208; the first bevel gear set 208 is connected to the output end of the exercise motor 207. The output end of the bevel gear set 208 is connected to a pair of second bevel gear sets 209, and the output ends of the pair of second bevel gear sets 209 are both connected to incomplete gears 210; the pair of incomplete gears 210 are both meshed with The rotating driving wheel 211 is connected to the input bevel gear set 212; the incomplete gear 210 is coaxially fixed with the main limiting plate 228, and the rotating driving wheel 211 is coaxially fixed with the main limiting plate 228 A matching auxiliary limit plate; the output end of the input bevel gear set 212 is connected to an output bevel gear set 213, and the output end of the output bevel gear set 213 is connected to the rotating assembly.

When the transmission structure 201 is in use, the exercise motor 207 synchronously drives a pair of second bevel gear sets 209 to move through the first bevel gear set 208; the second bevel gear set 209 drives the incomplete gear 210 to move, and the incomplete gear 210 is driven by rotation. The wheel 211 drives the input bevel gear set 212 to move, and the input bevel gear set 212 drives the rotating assembly to move through the output bevel gear set 213; the main limit plate 228 and the auxiliary limit plate cooperate to limit the rotating driving wheel 211 to improve the rotation. Component stability.

Furthermore, the pair of incomplete gears 210 are both engaged with a bent-leg driving wheel 214, and a large gear 215 is coaxially fixed to the bent-leg driving wheel 214; a small gear 216 is engaged with the large gear 215, and the small gear 216 is engaged with the large gear 215. 216 is coaxially fixed with an input wheel 219; an idler wheel 217 is rotatably connected to the base plate 8, and an output wheel 218 is engaged with the idler wheel 217; a conversion chute 232 is fixedly connected to the base plate 8, and the conversion chute 232 is A conversion block is slidingly connected; a conversion gear 231 meshing with the input wheel 219 is rotatably connected to the conversion block. The conversion gear 231 is disposed between the input wheel 219, the idler gear 217, and the output wheel 218. The conversion block slides along the conversion block. The sliding conversion gear 231 of the groove 232 is meshed with the idler gear 217 or the output wheel 218 respectively; the bent-leg driving wheel 214 is also coaxially fixed with a crank driving wheel 230, and the crank driving wheel 230 is engaged with a coaxial axis coaxial with the output wheel 218. A crank driven wheel 220 is provided, and a crank shaft 221 is connected to the crank driven wheel 220 .

When the incomplete gear 210 rotates, it drives the bent-leg driving wheel 214 to rotate. The bent-leg driving wheel 214 drives the small gear 216 to rotate through the large gear 215, and the input wheel 219 is accelerated by the cooperation of the large gear 215 and the small gear 216; the input wheel 219 drives the conversion gear 231 to rotate, and the conversion gear 231 drives the conversion block to slide along the conversion chute 232, thereby meshing the conversion gear 231 with the output wheel 218; the input wheel 219 drives the output wheel 218 to rotate through the conversion gear 231, and the output wheel 218 drives the adjustment The bevel gear set 222 rotates; at the same time, the bent leg driving wheel 214 drives the crank driven wheel 220 to rotate through the crank driving wheel 230, the crank driven wheel 220 drives the crank shaft 221 to rotate, and the crank shaft 221 drives the adjustable crank 202 to rotate.

Further, as shown in Figures 8-10, the crank slider 226 assembly includes an adjustable crank 202 fixedly connected to the crank shaft 221. The adjustable crank 202 is provided with an adjusting bevel gear set 222. The adjusting bevel gear set 222 is The input end is connected to the output wheel 218; the output end of the adjusting bevel gear set 222 is connected to a reciprocating screw rod 227, and the reciprocating screw rod 227 is screwed with an adjusting block 229 that is slidingly connected to the adjustable crank 202; the adjusting block A drawbar 204 is rotatably connected to 229, and the other end of the drawbar 204 is rotatably connected to the slider 226.

The adjustable crank 202 drives the traction rod 204 to move through the reciprocating screw rod 227 and the adjustment block 229. The traction rod 204 drives the slider 226 to slide along the rotating plate 203; at the same time, the output wheel 218 drives the adjustment bevel gear set 222 to adjust the bevel gear. The group 222 drives the adjustment block 229 to reciprocate along the adjustable crank 202 through the reciprocating screw rod 227 .

Further, as shown in Figure 7, the rotating assembly includes a parallel rod 205 connected to the output end of the output bevel gear set 213. The parallel rod 205 is rotatably connected to a connecting rod 206, and the other end of the connecting rod 206 is connected to the rotating plate 203. Rotating connection; the output bevel gear set 213 cooperates with the connecting rod 206 through the parallel rod 205 to drive the rotating plate 203 to rotate.

Further, the bottom plate 8 is also fixed with a lower support cavity 1, which corresponds to the rotating plate 203; the bottom plate 8 is also fixed with legs 9, and the upper support cavity 3 is fixed with The armrest 5 corresponding to the seat area 4.

The working process of the present invention is:

When the present invention is in use, the patient can sit on the sitting area 4 on the upper support cavity 3. The patient can place the calf on the calf support plate 223 and the thigh on the thigh support plate 225. The patient's legs can be fixed by the fixed belt 224. The sitting and lying motor 10 moves, the sitting and lying motor 10 drives the sitting and lying screw rod 12 to rotate through the sitting and lying bevel gear set, and the sitting and lying screw rod 12 drives the sitting and lying block 13 to slide along the bottom plate 8; the sitting and lying block 13 passes through a pair of The support rod 11 drives the backrest 7 to rotate along the upper support cavity 3, so that the backrest 7 rotates to a comfortable state for the patient.

The soothing motor 601 moves, and the soothing motor 601 drives a pair of connected bevel gear sets 603 to move through the soothing bevel gear set 602; a pair of connected bevel gear sets 603 drives the corresponding synchronous shaft 604 to rotate, and the synchronous shaft 604 drives the corresponding synchronous shaft 604 by driving the bevel gear set 607. The driving rod 608 rotates; the driving rod 608 drives the synchronizing rod 611 to move by cooperating with the driven rod 610. The synchronizing rod 611 drives the driving plate 605 to move up, down, left and right through the hinge rod 609, and the driving plate 605 drives the driving head 619 along the driving block 606. The sleeve slides, and the driving head 619 cooperates with the lower buffer spring 618 and the lower guide rod 616 to drive the relief plate to rise, and the relief plate drives the relief head 612 to press and massage the patient through the relief rod 613; at the same time, the relief plate moves along the upper guide rod 617 slides to press the upper buffer spring 615 .

The exercise motor 207 moves. The exercise motor 207 synchronously drives a pair of second bevel gear sets 209 through the first bevel gear set 208; the second bevel gear set 209 drives the incomplete gear 210 to act, and the incomplete gear 210 drives the leg-flexing driving wheel. 214 rotates; the leg-flexing driving wheel 214 drives the crank driven wheel 220 to rotate through the crank driving wheel 230, the crank driven wheel 220 drives the crank shaft 221 to rotate, the crank shaft 221 drives the adjustable crank 202 to rotate, and the adjustable crank 202 passes through the reciprocating screw rod 227, The adjusting block 229 drives the drawbar 204 to move, and the drawbar 204 drives the slider 226 to slide along the rotating plate 203; the slider 226 drives the calf support plate 223 to rotate along the thigh support plate 225, and the thigh support plate 225 rotates along the rotating plate 203, and is supported by the thigh The plate 225 and the calf support plate 223 enable the patient to perform leg bending movements.

At the same time, the leg-flexing driving wheel 214 drives the small gear 216 to rotate through the large gear 215, and accelerates the input wheel 219 through the cooperation of the large gear 215 and the small gear 216; the input wheel 219 drives the conversion gear 231 to rotate, and the conversion gear 231 drives the conversion. The block slides along the conversion chute 232, thereby meshing the conversion gear 231 with the output wheel 218; the input wheel 219 drives the output wheel 218 to rotate through the conversion gear 231, and the output wheel 218 drives the adjusting bevel gear set 222 to rotate, and the pitch bevel gear set reciprocates The screw rod 227 drives the adjustment block 229 to slide along the adjustable crank 202 .

When the adjustable crank 202 rotates 180 degrees, the incomplete gear 210 drives the rotating driving wheel 211 to rotate, and the rotating driving wheel 211 drives the input bevel gear set 212 to move; the input bevel gear set 212 drives the rotating assembly to move through the output bevel gear set 213, and the output The bevel gear set 213 cooperates with the parallel rod 205 and the connecting rod 206 to drive the rotating plate 203 to rotate, thereby realizing the patient's leg opening training; at the same time, the leg bending driving wheel 214 rotates synchronously under the action of the incomplete gear 210, so that The adjustable crank 202 rotates with the rotating plate 203 .

The exercise motor 207 rotates in reverse, and the exercise motor 207 drives the patient's legs to close through the first bevel gear set 208, the second bevel gear set 209, the incomplete gear 210, the rotating driving wheel 211, the leg bending driving wheel 214, etc., and the exercise motor 207 continues to reverse to reset the adjustable crank 202, thereby allowing the patient to perform a set of exercises; during this process, due to the settings of the input wheel 219, the output wheel 218, the conversion gear 231, the idler wheel 217, the conversion block, etc., the input wheel 219 No matter forward or reverse, the direction of the output wheel 218 remains unchanged, thereby causing the reciprocating screw rod 227 to continue to rotate in one direction, allowing the adjustment block 229 to reciprocate along the adjustable crank 202; thereby enabling the patient to perform corresponding leg movements at different degrees of leg flexion. The training of opening and closing the head enables the patient to carry out comprehensive and step-by-step rehabilitation training, thereby improving the patient's rehabilitation effect.

Claims (5)

1. A lower limb rehabilitation exercise device for patient rehabilitation, characterized in that: it includes a bottom plate (8), and an upper support cavity (3) is provided on the bottom plate (8); the upper support cavity (3) includes a sitting area (4 ), the bottom plate (8) is provided with a relief device (6) corresponding to the sitting area (4); the upper support cavity (3) is also rotatably connected to a backrest (6) corresponding to the sitting area (4) 7), the upper support cavity (3) is provided with a sitting and lying device that drives the backrest (7) to rotate; the upper support cavity (3) is also provided with an exercise device (2) corresponding to the sitting area (4) , the exercise device (2) includes a transmission structure (201), and the transmission structure (201) is connected to an exercise structure; The exercise structure includes a pair of rotating plates (203) rotatably connected to the upper support cavity (3). A thigh supporting plate (225) is rotatably connected to the pair of rotating plates (203). The thigh supporting plate (225) A calf support plate (223) is rotatably connected to the upper part; a slider (226) is slidingly connected to the rotating plate (203), and the calf support plate (223) is rotatably connected to the slider (226); the transmission structure (201) It is connected with a crank slider assembly that drives the slider (226) to move. The length of the crank slider assembly changes from small to large and from large to small with the action of the transmission structure (201); the transmission structure (201) It is also connected to a rotating assembly that drives the rotating plate (203) to rotate, and the transmission structure (201) drives the crank slider assembly and the rotating assembly in turn; The transmission structure (201) includes an exercise motor (207) fixedly connected to the base plate (8). The output end of the exercise motor (207) is connected with a first bevel gear set (208); the first bevel gear set (208) ) is connected to a pair of second bevel gear sets (209) at their output ends, and the output ends of the pair of second bevel gear sets (209) are both connected to incomplete gears (210); a pair of said incomplete gears (210) ) are meshed with a rotating driving wheel (211), and an input bevel gear set (212) is connected to the rotating driving wheel (211); the incomplete gear (210) is coaxially fixed with a main limit plate (228), The rotating driving wheel (211) is coaxially fixed with an auxiliary limit plate that matches the main limit plate (228); the output end of the input bevel gear set (212) is connected with an output bevel gear set (213). The output end of the bevel gear set (213) is connected to the rotating assembly; The pair of incomplete gears (210) are also meshed with a bent-leg driving wheel (214), and a large gear (215) is coaxially fixed to the bent-leg driving wheel (214); the large gear (215) is meshed with There is a pinion (216), and the input wheel (219) is coaxially fixed to the pinion (216); an idler wheel (217) is rotatably connected to the base plate (8), and an output wheel (217) is engaged with the idler wheel (217). 218); a conversion chute (232) is fixedly connected to the base plate (8), and a conversion block is slidingly connected to the conversion chute (232); a conversion block is rotatably connected to the input wheel (219). The conversion gear (231) is located between the input wheel (219), the idler wheel (217), and the output wheel (218). The conversion gear (231) slides along the conversion chute (232) with the conversion block, respectively. It meshes with the idler wheel (217) or the output wheel (218); the bent leg driving wheel (214) is also coaxially fixed with a crank driving wheel (230), and the crank driving wheel (230) is meshed with the output wheel (218). 218) A crank driven wheel (220) arranged coaxially, and a crank shaft (221) is connected to the crank driven wheel (220); The crank slider assembly includes an adjustable crank (202) fixedly connected to the crankshaft (221). The adjustable crank (202) is provided with an adjusting bevel gear set (222), and the input end of the adjusting bevel gear set (222) is Connected to the output wheel (218); the output end of the adjusting bevel gear set (222) is connected to a reciprocating screw (227), and the reciprocating screw (227) is threaded with a sliding connection to the adjustable crank (202) Adjustment block (229); the adjustment block (229) is rotatably connected to a drawbar (204), and the other end of the drawbar (204) is rotatably connected to the slider (226); The rotating assembly includes a parallel rod (205) connected to the output end of the output bevel gear set (213). A connecting rod (206) is rotatably connected to the parallel rod (205), and the other end of the connecting rod (206) is connected to the rotating plate. (203) Rotary connection. 2. The lower limb rehabilitation exercise device for patient rehabilitation according to claim 1, characterized in that: the sitting and lying device includes a sitting and lying motor (10) fixedly connected to the bottom plate (8), and the sitting and lying motor (10) The output end is connected to a sitting and lying bevel gear set; the output end of the sitting and lying bevel gear set is connected to a sitting and lying screw rod (12), and the sitting and lying screw rod (12) is screwed with a sitting and lying screw rod (12) that is slidably connected to the bottom plate (8). Lying block (13); a pair of support rods (11) are rotatably connected to the sitting and lying block (13), and the other ends of the pair of support rods (11) are rotatably connected to the backrest (7). 3. The lower limb rehabilitation exercise device for patient rehabilitation according to claim 1, characterized in that: the soothing device (6) includes a soothing structure evenly distributed on the sitting area (4), and the bottom plate (8) is provided with a soothing structure. A driving structure that drives the relief structure to move; the drive structure includes a relief motor (601), the output end of the relief motor (601) is connected to a relief bevel gear set (602); the output end of the relief bevel gear set (602) is connected to There is a pair of connected bevel gear sets (603), and the output ends of the pair of connected bevel gear sets (603) are connected with synchronizing shafts (604); the base plate (8) is fixed with a pair of vertical plates, and a pair of synchronizing shafts (604). 604) are respectively connected to the corresponding vertical plates; a pair of driving bevel gear sets (607) are connected to a pair of synchronization shafts (604), and the output ends of a pair of driving bevel gear sets (607) are connected to Driving rod (608); the driving rod (608) is rotatably connected to a synchronizing rod (611), the other end of the synchronizing rod (611) is rotatably connected to a driven rod (610), and the other end of the driven rod (610) is connected to the vertical The plates are connected by rotation; the synchronization rod (611) is provided with a hinge rod (609) in the middle, a drive plate (605) is hinged on the hinge rod (609), and the four hinge rods (609) are all connected with the drive plate (605) Rotating connection; the driving plate (605) is evenly distributed with driving blocks (606) corresponding to the relaxing structure, and the driving blocks (606) are provided with slopes. 4. The lower limb rehabilitation exerciser for patient rehabilitation according to claim 3, characterized in that: the soothing structure includes a sleeve fixedly connected to the seat area (4), and a fixed plate (614) is fixedly connected in the sleeve. ; An upper guide rod (617) is fixedly connected to the fixed plate (614), and a relief plate is slidably connected to the upper guide rod (617); a relief rod (613) is fixedly connected to the relief plate, and the relief rod (613 ) is connected to a relief head (612); a lower guide rod (616) is slidably connected to the relief plate, and a driving head (619) that matches the driving block (606) is fixedly connected to the lower guide rod (616); The upper guide rod (617) is provided with an upper buffer spring (615) corresponding to the relief plate, and the lower guide rod (616) is provided with a lower buffer spring (618) corresponding to the relief plate. 615) and lower buffer springs (618) are respectively located on both sides of the relief plate. 5. The lower limb rehabilitation exerciser for patient rehabilitation according to claim 1, characterized in that: a lower support cavity (1) is fixedly connected to the bottom plate (8), and the lower support cavity (1) and the rotating plate (203) ) corresponding to; the base plate (8) is also fixed with legs (9), and the upper support cavity (3) is fixed with an armrest (5) corresponding to the sitting area (4).