CN113693883A

CN113693883A - Medical lower limb rehabilitation exercise device for severe patients

Info

Publication number: CN113693883A
Application number: CN202111027456.3A
Authority: CN
Inventors: 徐乐; 王霞; 张钦; 程秀梅; 汪慧琴; 范晓兰; 崔亚峰
Original assignee: First Affiliated Hospital of Anhui Medical University
Current assignee: First Affiliated Hospital of Anhui Medical University
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2021-11-26

Abstract

A medical lower limb rehabilitation exercise device for critically ill patients effectively solves the problems that the critically ill patients cannot independently exercise limbs during lying in bed, contracture deformity of muscle groups, joint capsules and joint ligaments is easily caused, and hidden danger exists in later-stage rehabilitation of the patients; including the bedstead, the bedstead front side sliding connection has the mount of the fixed shank of two symmetric distributions, but mount bottom fixedly connected with reciprocating sliding's first slider, but first slider internal rotation is connected with synchronous pivoted first massage wheel, the sliding connection has two relative slip's first massage board behind the bedstead, it has first connecting rod all to articulate on two first massage boards, two first connecting rod other ends are rotated and are connected with the second massage wheel, two first massage board middle parts are equipped with reciprocating intermittent type gliding second slider and second massage board, second slider front side fixedly connected with connecting rod, the equal fixedly connected with in connecting rod left and right sides is used for the handle that the hand was tempered.

Description

Medical lower limb rehabilitation exercise device for severe patients

Technical Field

The invention relates to the technical field of medical assistance, in particular to a medical lower limb rehabilitation exercise device for severe patients.

Background

Generally, 2 weeks of bed rest of a patient is enough to generate important muscle groups and contracture deformities of joint capsules and joint ligaments. The occurrence of deformities can cause mild pain and discomfort to the patient, and even permanent deformities, resulting in impaired mobility. Therefore, the early limb functional exercise is emphasized clinically, and a concept of preventive rehabilitation nursing is formed, and the intervention time for the limb functional exercise and the rehabilitation nursing is not performed after the dysfunction but before the dysfunction appears. For critical patients, the functional problems cannot be noticed until the disease is cured. The limb function exercise should be performed in time after the vital signs of the patient are stable. When the severe patients take exercise for limb function, the severe patients can not independently control the limbs to move due to the particularity of the self condition, usually, the nursing personnel assists the patients to take exercise of the limbs, the workload of the nursing personnel is greatly improved, and meanwhile, when the number of patients is large, the patients can not independently train under the assistance of no nursing personnel, so that the daily training amount of the patients is reduced, the effect of rehabilitation nursing of the patients is reduced, and the rehabilitation of the patients is not facilitated.

Disclosure of Invention

Aiming at the situation and overcoming the defects of the prior art, the invention provides a medical lower limb rehabilitation exercise device for critically ill patients, which effectively solves the problems that the critically ill patients cannot independently exercise the limbs during the bed-lying period, the contracture deformity of muscle groups, joint capsules and joint ligaments is easily caused, and the later rehabilitation of the patients has hidden troubles.

In order to achieve the purpose, the invention provides the following technical scheme: the bed comprises a bed frame, two symmetrically distributed fixing frames are slidably connected to the front side of the bed frame, arc-shaped supports are slidably connected to the left side and the right side of the upper portion of each fixing frame, fixing belts are sewn on the supports and the fixing frames, a first sliding block capable of sliding in a reciprocating manner is fixedly connected to the bottom of each fixing frame, a first massage wheel is rotatably connected to the first sliding block, the first massage wheel is coaxially and fixedly connected with a shaft coupler with a movable axis, a rotatable first bevel gear set is fixedly connected to the bottom end of the shaft coupler, the first bevel gear set is positioned in the bed frame and is rotatably connected with the bed frame, two first massage plates sliding relative to each other are slidably connected to the rear side of the bed frame, first connecting rods are hinged to the two first massage plates, the other ends of the two first connecting rods are rotatably connected with second massage wheels rotatably connected with the bed frame, and the two first massage plates sliding left and right form a first driving machine with the second massage wheels through first connecting rods The mechanism comprises two second massage plates which slide in a reciprocating mode, wherein two second sliding blocks which can slide in a reciprocating mode intermittently are arranged in the middle of the first massage plates, a second sliding block which can slide in a reciprocating mode is fixedly connected to the lower portion of each second massage plate, a protruding block is fixedly connected to the middle of each second sliding block, opening blocks which are connected with a bedstead in a sliding mode are arranged on the left side and the right side of each protruding block, the opening blocks are fixedly connected with the first massage plates, the second sliding blocks which slide in the front and back mode form two second driving mechanisms which can slide horizontally on the first massage plates through the protruding blocks and the opening blocks in a matched mode, a connecting rod is fixedly connected to the front side of each second sliding block, handles used for hand exercise are fixedly connected to the left side and the right side of the connecting rod, and through holes matched with the handles and the connecting rod are formed in the bedstead.

Preferably, the top surface of the fixing frame is provided with a key hole matched with the support, the fixing frame below the key hole is connected with a connecting block fixedly connected with the support in a sliding manner, and a first spring is arranged between the connecting block and the fixing frame.

Preferably, a first worm is fixedly connected between the coupler and the first bevel gear, the first worm is engaged with a first worm wheel, the first worm wheel is fixedly connected with an eccentric wheel, an annular chute is formed in the outer side of the eccentric wheel, a first cylindrical pin is slidably connected in the annular chute, a second connecting rod rotatably connected with the bedstead is rotatably connected to the first cylindrical pin, a third connecting rod is hinged to the second connecting rod, and the third connecting rod is rotatably connected with the first sliding block;

the first worm wheel, the first worm and the eccentric wheel are all rotatably connected with the bedstead, and a belt wheel set is installed between the two first worms.

Preferably, a second bevel gear set is coaxially and fixedly connected to the first bevel gear set, a slippage shaft is coaxially and fixedly connected to the second bevel gear set, an adjustable first friction wheel is slidably connected to the slippage shaft, the first friction wheel is matched with a second friction wheel, and the second friction wheel is coaxially and fixedly connected with a first belt wheel;

the second friction wheel is round table-shaped, the axis of the sliding shaft is parallel to the inclined plane of the second friction wheel, the first friction wheel is rotatably connected with an adjusting block, a first screw rod is connected to the adjusting block in a threaded manner, the first screw rod is rotatably connected with the bedstead, and a third bevel gear set for regulation and control is connected to the first screw rod in a threaded manner.

Preferably, a belt is matched with the first belt wheel, a second belt wheel is matched with the belt, the first belt wheel and the second belt wheel are symmetrical about the middle of the second sliding block, key blocks are fixedly connected to the first belt wheel and the second belt wheel, the key blocks are matched with second cylindrical pins fixedly connected with the second sliding block, and a first sliding groove matched with the second cylindrical pins is formed in the bottom of the bedstead.

Preferably, the outer side of the opening block is provided with a push plate with adjustable elasticity, the push plate is connected with the bedstead in a sliding manner, the bedstead is provided with a placing groove connected with the opening block and the second sliding block in a sliding manner, the inner side of the opening block is provided with an E-shaped groove, and the protruding block is rotatably connected with a roller matched with the groove.

Preferably, the push plate is fixedly connected with a support rod, the support rod is connected with a rectangular block in a sliding mode, a second spring is sleeved on the support rod between the rectangular block and the push plate, a second screw rod is connected to the rectangular block in a rotating mode, and the second screw rod penetrates through the bedstead and is in threaded connection with the bedstead.

Preferably, a coil spring is installed between the second massage wheel and the bedstead.

Compared with the prior art, the invention has the outstanding advantages that: the fixing frame and the leg of the patient are fixed and drive the leg of the patient to stretch and bend, the first massage wheel massages the leg of the patient while driving the leg of the patient to move, and the leg muscle which is tired in the movement is relieved, so that the situation of muscle atrophy of the patient caused by long-term lying in bed is avoided, and the health of the patient is guaranteed; the stepless speed change adjustment between the first friction wheel and the second friction wheel can regulate and control the frequency of the front and back sliding of the second sliding block, so that the second sliding block can adjust the massage frequency of the first massage plate, the second massage plate and the second massage wheel to the back of the patient, the device is suitable for different patients, and the comfort level of the patient in use is improved; the handle can drive the second sliding block to move passively through the first belt wheel and the second belt wheel, so that synchronous passive training of arms is realized, in addition, the handle can also carry out active training through the arms, the handle is pushed by the arms to move back and forth, meanwhile, the resistance value of the spreading block to the second sliding block can be changed through the action of the second screw rod and the push plate, and the training intensity of a patient during arm training is adjusted; the invention has novel structure, ingenious conception and simple and convenient operation, and effectively solves the problems that the serious patient can not independently exercise the limbs during the lying period, the contracture deformity of muscle groups, joint capsules and joint ligaments is easily caused, and the later rehabilitation of the patient has hidden troubles through the design.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic sectional view of a part of the bed frame according to the present invention.

Fig. 3 is a schematic view of the connection structure of the first massage wheel of the present invention.

Fig. 4 is a schematic structural view of the fixing frame of the present invention.

Fig. 5 is a schematic cross-sectional view of the fixing frame of the present invention.

Fig. 6 is a schematic view of the overall bottom structure of the present invention.

Fig. 7 is a schematic view of a first friction wheel connection structure according to the present invention.

Fig. 8 is a schematic view of a first pulley connection structure according to the present invention.

Fig. 9 is a schematic view of the horizontal cross section of the bed frame of the present invention.

FIG. 10 is a schematic view of the connection structure of the push plate according to the present invention.

FIG. 11 is a bottom view of a second massage plate of the present invention

Reference numbers in the figures: 1. a bed frame; 2. a fixed mount; 3. a support; 4. fixing belts; 5. a first slider; 6. a first massage wheel; 7. a coupling; 8. a first bevel gear set; 9. a first massage plate; 10. a first link; 11. a second platen; 12. a second massage plate; 13. a second slider; 14. a raised block; 15. a distraction block; 16. a connecting rod; 17. a handle; 18. a through hole; 19. a key-type hole; 20. connecting blocks; 21. a first spring; 22. a first worm; 23. a first worm gear; 24. an eccentric wheel; 25. an annular chute; 26. a first cylindrical pin; 27. a second link; 28. a third link; 29. a pulley block; 30. a second bevel gear set; 31. a slip axis; 32. a first friction wheel; 33. a second friction wheel; 34. a first pulley; 35. an adjusting block; 36. a first screw; 37. a third bevel gear set; 38. a belt; 39. a second pulley; 40. a key-type block; 41. a second cylindrical pin; 42. a first chute; 43. pushing the plate; 44. a placement groove; 45. a groove; 46. a roller; 47. a support bar; 48. a rectangular block; 49. a second spring; 50. a second screw; 51. a coil spring.

Detailed Description

The following description of the present invention will be made in detail with reference to the accompanying drawings 1 to 11.

The invention comprises a bedstead 1, two symmetrically distributed fixed frames 2 are slidably connected with the front side of the bedstead 1, the left and right sides of the upper part of the fixed frames 2 are slidably connected with arc-shaped brackets 3, fixed belts 4 are sewed on the brackets 3 and the fixed frames 2, the bottom of the fixed frame 2 is fixedly connected with a first sliding block 5 capable of sliding in a reciprocating manner, a first massage wheel 6 is rotatably connected with the first sliding block 5, the first massage wheel 6 is coaxially and fixedly connected with a coupler 7 with a movable axis, the bottom end of the coupler 7 is fixedly connected with a rotatable first bevel gear set 8, the first bevel gear set 8 is positioned in the bedstead 1 and is rotatably connected with the bedstead 1, the rear side of the bedstead 1 is slidably connected with two first massage plates 9 sliding relatively, the two first massage plates 9 are both hinged with first connecting rods 10, the other ends of the two first connecting rods 10 are rotatably connected with second massage wheels rotatably connected with the bedstead 1, the two first massage plates 9 sliding left and right form a first driving mechanism for rotating the second massage wheel through a first connecting rod 10, the middle parts of the two first massage plates 9 are provided with two second massage plates 12 sliding back and forth, a second sliding block 13 which can slide in a reciprocating and intermittent way is fixedly connected below the second massage plate 12, a convex block 14 is fixedly connected with the middle part of the second sliding block 13, the left side and the right side of the convex block 14 are provided with an opening block 15 which is connected with the bedstead 1 in a sliding way, the expanding block 15 is fixedly connected with the first massage plates 9, the second slide block 13 sliding back and forth forms a second driving mechanism for the horizontal sliding of the two first massage plates 9 through the matching of the convex block 14 and the expanding block 15, the front side of the second sliding block 13 is fixedly connected with a connecting rod 16, the left side and the right side of the connecting rod 16 are both fixedly connected with handles 17 for hand exercise, and the bed frame 1 is provided with through holes 18 matched with the handles 17 and the connecting rod 16.

The bed frame 1 is used for supporting a critically ill patient in a lying mode, two groups of fixing frames 2 are arranged on the front side of the bed frame 1, the two groups of fixing frames 2 move synchronously, the fixing frames 2 and the support 3 are used for fixing the positions of feet and shanks of the patient, the fixing frames 2 can slide back and forth relative to the bed frame 1, when the fixing frames 2 slide back and forth, the bending parts on the front sides of the fixing frames 2 act on heels of the patient, when the fixing frames 2 slide back relative to the bed frame 1, the fixing frames 2 act like hands of medical workers to support the lower limbs of the patient, the patient is helped to carry out leg bending and leg stretching movement, the patient is helped to relax muscles of the legs, muscle spasm caused by long-time lying of the patient is avoided, subsequent health treatment of the patient is guaranteed, when the legs of the patient stretch out and bend out, the first massage wheels 6 in the fixing frames 2 carry out rotary type massage on the shanks of the patient, and a coupling shaft at the bottoms of the first massage wheels 6 is a miser coupling 7, the axle centers of the upper end and the lower end of the coupling 7 can move back and forth, and when the first massage wheel 6 slides back and forth along with the fixed frame 2, the coupling 7 can still keep the rotating effect of the first massage wheel 6; when the first massage wheel 6 and the fixing frame 2 move, the second massage wheel, the first massage disk and the second massage disk on the rear side of the bedstead 1 move synchronously, the three massage the back position of the patient, so as to avoid the back of the patient from being pressed by lying in bed for a long time and ensure the health of the patient, the second sliding block 13 can intermittently slide back and forth on the bedstead 1, the frequency of the back and forth sliding of the second sliding block 13 is adjustable, the sensitivity of the back of different patients is different, the patient can adjust the frequency of the back and forth sliding of the second sliding block 13 to drive the second massage plate 12 to perform back and forth friction on the back of the patient according to the self condition, the comfort level of the back massage of the patient by the second massage plate 12 is improved while the pressure sore of the patient is avoided, the use experience of the patient is improved, as shown in fig. 9 and fig. 11, when the second sliding block 13 moves back and forth, the raised blocks 14 on the second sliding block 13 have the effect of opening the supporting blocks 15 on both sides, when the two spreading blocks 15 are used for spreading and furling, the spreading blocks 15 drive the first massage plates 9 to massage the back of a patient in a sliding manner close to the left and right, the sliding frequency of the first massage plates 9 is changed along with the change of the second sliding block 13, when the two first massage plates 9 are relatively close to or far away from each other, the two first massage plates 9 are matched with the two first connecting rods 10, the second massage wheel is pushed by the first connecting rods 10 to rotate in a reciprocating manner, the angle of the two first massage plates 9 for pushing the second massage wheel to rotate in a reciprocating manner through the first connecting rods 10 is less than one hundred eighty degrees, the interference between the first connecting rods 10 and the middle shaft of the second massage bracket 3 is avoided, the rotating frequency of the second massage wheel is also influenced by the second sliding block 13, the connecting rods 16 and the handles 17 on the second sliding block 13 are used for exercising the upper limbs of the patient, when the patient uses the handles 17, the reciprocating movement of the second sliding block 13 drives the arms of the patient to carry out the lifting action, so that the upper limbs and the lower limbs of the patient can be exercised synchronously.

The top surface of the fixing frame 2 is provided with a key-shaped hole 19 matched with the support 3, the fixing frame 2 below the key-shaped hole 19 is connected with a connecting block 20 fixedly connected with the support 3 in a sliding manner, and a first spring 21 is arranged between the connecting block 20 and the fixing frame 2.

A first worm 22 is fixedly connected between the coupler 7 and the first bevel gear, a first worm wheel 23 is meshed with the first worm 22, an eccentric wheel 24 is fixedly connected with the first worm wheel 23, an annular sliding groove 25 is formed in the outer side of the eccentric wheel 24, a first cylindrical pin 26 is slidably connected in the annular sliding groove 25, a second connecting rod 27 which is rotatably connected with the bedstead 1 is rotatably connected on the first cylindrical pin 26, a third connecting rod 28 is hinged on the second connecting rod 27, and the third connecting rod 28 is rotatably connected with the first sliding block 5;

the first worm wheel 23, the first worm 22 and the eccentric wheel 24 are all rotatably connected with the bedstead 1, and a pulley group 29 is installed between the two first worms 22.

As shown in fig. 3, the first bevel gear set 8 is composed of two bevel gears meshed with each other, the rotation of the first bevel gear set 8 drives the first worm 22 to rotate, the first worm 22 drives the first massage wheel 6 to massage the lower leg of the patient through the coupling 7, when the first worm 22 rotates, the first worm 22 drives the first worm wheel 23 to rotate, the first worm wheel 23 rotates to drive the eccentric wheel 24 to rotate, the eccentric wheel 24 rotates the second connecting rod 27 driven by the matching of the annular sliding groove 25 and the first cylindrical pin 26 to perform reciprocating rotation, the middle part of the second connecting rod 27 is rotatably connected with the bedstead 1, the rotation of the second connecting rod 27 drives the third connecting rod 28 and the first sliding block 5 to move, and only the freedom degree of forward and backward sliding is provided between the first sliding block 5 and the bedstead 1, when the second connecting rod 27, the third connecting rod 28 and the first sliding block 5 form a slider-crank mechanism, the movement of the first sliding block 5 drives the fixed frame 2 to slide back and forth on the bed frame 1.

A second bevel gear set 30 is coaxially and fixedly connected to the first bevel gear set 8, a sliding shaft 31 is coaxially and fixedly connected to the second bevel gear set 30, an adjustable first friction wheel 32 is slidably connected to the sliding shaft 31, a second friction wheel 33 is matched with the first friction wheel 32, and a first belt wheel 34 is coaxially and fixedly connected to the second friction wheel 33;

the second friction wheel 33 is in a circular truncated cone shape, the axis of the sliding shaft 31 is parallel to the inclined plane of the second friction wheel 33, the first friction wheel 32 is rotatably connected with an adjusting block 35, a first screw 36 is in threaded connection with the adjusting block 35, the first screw 36 is rotatably connected with the bedstead 1, and a third bevel gear group 37 for regulation and control is in threaded connection with the first screw 36.

As shown in fig. 7, the second bevel gear set 30 and the third bevel gear set 37 are both composed of two bevel gears engaged with each other, a motor is connected to the second bevel gear set 30, the second bevel gear set 30 and the first bevel gear set 8 are driven by the motor to rotate synchronously, the second bevel gear set 30 drives the first friction wheel 32 to rotate through the slip shaft 31 when rotating, the outer side surfaces of the first friction wheel 32 and the second friction wheel 33 are both frosted surfaces and have a large friction force, the second friction wheel 33 is driven to rotate when the first friction wheel 32 rotates, the second friction wheel 33 drives the first belt pulley 34 on the upper side to rotate, the second friction wheel 33 is in a circular truncated cone shape with a large upper part and a small lower part, the slip shaft 31 is in a side-placing state, contact between the first friction wheel 32 and the second friction wheel 33 is ensured, during the contact between the first friction wheel 32 and the second friction wheel 33 from bottom to top, the first friction wheel 32 drives the second friction wheel 33 to have a larger radius of the second friction wheel 33, therefore, the rotating speed of the second friction wheel 33 is reduced, the adjustment of the horizontal height of the first friction wheel 32 is driven by the adjusting block 35, the degree of freedom of later sliding between the adjusting block 35 and the bedstead 1 is increased, one side of the third bevel gear set 37 is connected with the control handle, when the first screw rod 36 is driven to rotate by the control handle and the third bevel gear set 37, the adjusting block 35 is driven to move up and down by the screw thread matching of the first screw rod 36 and the adjusting block 35, only the rotational degree of freedom exists between the adjusting block 35 and the first friction wheel 32, the up-and-down movement of the adjusting block 35 drives the first friction wheel 32 to move up and down, the contact point of the first friction wheel 32 and the second friction wheel 33 is changed, and the stepless speed change adjustment when the first belt wheel 34 rotates is realized.

The first belt wheel 34 is matched with a belt 38, the belt 38 is matched with a second belt wheel 39, the first belt wheel 34 and the second belt wheel 39 are symmetrical about the middle of the second sliding block 13, both the first belt wheel 34 and the second belt wheel 39 are fixedly connected with a key-shaped block 40, the key-shaped block 40 is matched with a second cylindrical pin 41 fixedly connected with the second sliding block 13, and the bottom of the bed frame 1 is provided with a first sliding groove 42 matched with the second cylindrical pin 41.

As shown in the figure, the key-type block 40 on the second belt wheel 39 and the first belt wheel 34 is matched with the upper second cylindrical pin 41 of the second sliding block 13 in a forward direction, the second sliding block 13 and the second cylindrical pin 41 have only freedom of moving back and forth under the matching of the first sliding slot 42, when the second belt wheel 39 rotates clockwise, the key-type block 40 on the second belt wheel 39 pushes the second cylindrical pin 41 to move backward, the key-type block 40 on the first belt wheel 34 is matched with the second cylindrical pin 41 on the front side of the second sliding block 13 after the second sliding block 13 moves, the second belt wheel 39 drives the first belt wheel 34 to rotate clockwise through the belt 38, the key-type block 40 on the first belt wheel 34 is matched with the second cylindrical pin 41 on the front side of the second sliding block 13, the key-type hole 19 on the first belt wheel 34 pushes the second cylindrical pin 41 and the second sliding block 13 to move forward, so as to realize intermittent reciprocating sliding of the second sliding block 13, and the rotating speed of the first belt wheel 34 can be adjusted by stepless speed change of the second friction wheel 33, so that the sliding frequency of the second slider 13 can be adjusted in a plurality of terms.

The outer side of the opening block 15 is provided with a push plate 43 with adjustable elasticity, the push plate 43 is slidably connected with the bedstead 1, the bedstead 1 is provided with a placing groove 44 slidably connected with the opening block 15 and the second slider 13, the inner side of the opening block 15 is provided with an E-shaped groove 45, and the protruding block 14 is rotatably connected with a roller 46 matched with the groove 45.

Two push plates 43 are to two expansion blocks 15 to have inboard elasticity, guarantee to expand the inboard recess 45 of piece 15 and the gyro wheel 46 of the interior of protruding piece 14 to the contact, recess 45 is protruding both sides recess 45 structure in the middle, when protruding piece 14 and the intermediate position of piece 15 are strutted in the roll of gyro wheel 46 on second slider 13, drive second slider 13 and slide in standing groove 44 jointly under the effect of two push plates 43 and second cylindric lock 41, when gyro wheel 46 and protruding piece 14 remove the sunk part to recess 45, two push plates 43 promote two expansion blocks 15 and are close to each other, prop up two expansion blocks 15 once more when the slider removes, thereby realize two reciprocating sliding who struts piece 15.

A supporting rod 47 is fixedly connected to the pushing plate 43, a rectangular block 48 is slidably connected to the supporting rod 47, a second spring 49 is sleeved on the supporting rod 47 between the rectangular block 48 and the pushing plate 43, a second screw 50 is rotatably connected to the rectangular block 48, and the second screw 50 penetrates through the bed frame 1 and is in threaded connection with the bed frame 1.

The second spring 49 is a compression spring, and the more the second spring 49 is compressed, the larger the elastic force of the second spring 49 is, as shown in fig. 10, the second screw 50 can move back and forth relative to the bed frame 1 by rotating the second screw 50, when the second screw 50 moves inward relative to the bed frame 1, the rectangular block 48 is driven by the second screw 50 to move inward, the rectangular block 48 moves inward to compress the second spring 49 through the support rod 47, and the elasticity of the second spring 49 is increased by compression, so that the pushing force of the push plate 43 to the spreader 15 is increased, and the patient can perform the passive training of the self-training through the handle 17.

The invention has novel structure, ingenious conception and simple and convenient operation, and effectively solves the problems that the serious patient can not independently exercise the limbs during the lying period, the contracture deformity of muscle groups, joint capsules and joint ligaments is easily caused, and the later rehabilitation of the patient has hidden troubles through the design.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a medical severe patients low limbs are strong again and are taken exercise device, includes bedstead (1), its characterized in that, bedstead (1) front side sliding connection has two symmetric distribution's mount (2), the left and right sides sliding connection on mount (2) upper portion has curved support (3), fixed band (4) have all been sewed up on support (3) with mount (2), but mount (2) bottom fixedly connected with first slider (5) of reciprocating slide, first massage wheel (6) that first slider (5) internal rotation is connected, the coaxial fixedly connected with shaft coupling (7) that the axle center can move of first massage wheel (6), shaft coupling (7) bottom fixedly connected with rotatable first bevel gear group (8), first bevel gear group (8) are located bedstead (1) and are connected with bedstead (1) rotation, the rear side of the bedstead (1) is connected with two first massage plates (9) which slide relatively, the two first massage plates (9) are hinged with first connecting rods (10), the other ends of the two first connecting rods (10) are connected with second massage wheels which are connected with the bedstead (1) in a rotating way, the two first massage plates (9) which slide left and right form a first driving mechanism for rotating the second massage wheels through the first connecting rods (10), the middle parts of the two first massage plates (9) are provided with two second massage plates (12) which slide back and forth, the lower part of the second massage plates (12) is fixedly connected with a second sliding block (13) which can slide back and forth intermittently, the middle part of the second sliding block (13) is fixedly connected with a convex block (14), the left side and the right side of the convex block (14) are provided with a strutting block (15) which is connected with the bedstead (1) in a sliding way, and the strutting block (15) is fixedly connected with the first massage plates (9), the second sliding block (13) capable of sliding back and forth forms a second driving mechanism for horizontally sliding the two first massage plates (9) through the matching of the protruding block (14) and the opening block (15), a connecting rod (16) is fixedly connected to the front side of the second sliding block (13), handles (17) used for hand exercise are fixedly connected to the left side and the right side of the connecting rod (16), and through holes (18) matched with the handles (17) and the connecting rod (16) are formed in the bedstead (1).

2. The lower limb rehabilitation exercise device for the medical severe patients according to claim 1, wherein a key-shaped hole (19) matched with the support (3) is formed in the top surface of the fixing frame (2), a connecting block (20) fixedly connected with the support (3) is connected on the fixing frame (2) below the key-shaped hole (19) in a sliding mode, and a first spring (21) is installed between the connecting block (20) and the fixing frame (2).

3. The medical lower limb rehabilitation exercise device for the critically ill patients according to claim 1, wherein a first worm (22) is fixedly connected between the coupler (7) and the first bevel gear, the first worm (22) is engaged with a first worm wheel (23), the first worm wheel (23) is fixedly connected with an eccentric wheel (24), an annular sliding groove (25) is formed in the outer side of the eccentric wheel (24), a first cylindrical pin (26) is slidably connected in the annular sliding groove (25), a second connecting rod (27) rotatably connected with the bed frame (1) is rotatably connected to the first cylindrical pin (26), a third connecting rod (28) is hinged to the second connecting rod (27), and the third connecting rod (28) is rotatably connected with the first sliding block (5);

the first worm wheel (23), the first worm (22) and the eccentric wheel (24) are all in rotating connection with the bedstead (1), and a belt wheel set (29) is installed between the two first worms (22).

4. The medical lower limb rehabilitation exercise device for the critically ill patients according to claim 1, wherein a second bevel gear set (30) is coaxially and fixedly connected to the first bevel gear set (8), a sliding shaft (31) is coaxially and fixedly connected to the second bevel gear set (30), an adjustable first friction wheel (32) is slidably connected to the sliding shaft (31), a second friction wheel (33) is matched to the first friction wheel (32), and a first belt wheel (34) is coaxially and fixedly connected to the second friction wheel (33);

the second friction wheel (33) is in a circular truncated cone shape, the axis of the sliding shaft (31) is parallel to the inclined plane of the second friction wheel (33), the first friction wheel (32) is rotatably connected with an adjusting block (35), a first screw (36) is in threaded connection with the adjusting block (35), the first screw (36) is rotatably connected with the bedstead (1), and a third bevel gear set (37) for regulation and control is in threaded connection with the first screw (36).

5. The lower limb rehabilitation exercise device for the medical critically ill patients according to claim 4, wherein a belt (38) is fitted on the first belt wheel (34), a second belt wheel (39) is fitted on the belt (38), the first belt wheel (34) and the second belt wheel (39) are symmetrical about the middle of the second sliding block (13), the first belt wheel (34) and the second belt wheel (39) are both fixedly connected with a key-shaped block (40), the key-shaped block (40) is fitted with a second cylindrical pin (41) fixedly connected with the second sliding block (13), and a first sliding groove (42) matched with the second cylindrical pin (41) is formed in the bottom of the bedstead (1).

6. The medical lower limb rehabilitation exercise device for the critically ill patients according to claim 1, wherein an elastic force adjustable push plate (43) is arranged on the outer side of the propping block (15), the push plate (43) is slidably connected with the bed frame (1), a placing groove (44) which is slidably connected with the propping block (15) and the second sliding block (13) is formed in the bed frame (1), the inner side of the propping block (15) is an E-shaped groove (45), and a roller (46) which is matched with the groove (45) is rotatably connected to the protruding block (14).

7. The lower limb rehabilitation exercise device for the medical severe patients as claimed in claim 6, wherein the push plate (43) is fixedly connected with a support rod (47), the support rod (47) is connected with a rectangular block (48) in a sliding manner, a second spring (49) is sleeved on the support rod (47) between the rectangular block (48) and the push plate (43), the rectangular block (48) is connected with a second screw rod (50) in a rotating manner, and the second screw rod (50) penetrates through the bedstead (1) and is in threaded connection with the bedstead (1).

8. The lower limb rehabilitation exercise device for the medical severe patients as recited in claim 1, characterized in that a coil spring (51) is installed between the second massage wheel and the bedstead (1).