Leg rehabilitation device

Abstract

The application discloses a kind of leg rehabilitation devices, it is related to the technical field of rehabilitation equipment, and its technical solution points are including mainframe, for patient lying and assembly component, the inside of mainframe is further provided with the wiring storehouse and installation storehouse for assembling electric control and driving element;Frame holding mechanism is set on mainframe, for supporting shank;Rehabilitation mechanism is set on mainframe, for patient leg pedaling training;Adjusting mechanism is set on mainframe, for real-time adjusting the training intensity of rehabilitation mechanism.This technical scheme is provided with the structure that can carry out real-time feedback adjustment according to the leg pedaling intensity of patient in rehabilitation activity, to ensure that patient can always use the maximum intensity of current leg to carry out leg pedaling training, to maintain high level of muscle movement, to bring maximum rehabilitation effect.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of rehabilitation equipment, in particular to a leg rehabilitation device. BACKGROUND

[0002] The rehabilitation device is a kind of medical equipment for helping patients with long-term atrophy of muscle to realize normal physiological activity and recover muscle activity. In leg rehabilitation exercise, active rehabilitation is a better rehabilitation exercise, which provides muscle nerve stimulation at a higher level by allowing patients to control leg muscles to move, thereby establishing a continuous connection between the brain and the muscles, and also recovering the strength of leg muscles faster. However, in the existing leg rehabilitation device, the active recovery device cannot real-time control the training intensity of the patient's leg, and thus cannot stimulate the leg muscles when the patient's leg reaches the maximum bearing force, thereby failing to continuously and efficiently train the muscle strength, resulting in poor rehabilitation effect.

[0003] Therefore, based on this, a design or technical improvement is proposed to solve the above problems.

[0004] The above content is only used to assist in understanding the technical solutions of the present application, and does not represent the acknowledgement of the above content as the closest prior art. SUMMARY

[0005] The purpose of the present application is to solve the above problems, and provide a leg rehabilitation device.

[0006] In order to solve the above technical problems, the present application adopts the following technical solutions:

[0007] A leg rehabilitation device, comprising:

[0008] A main frame for patient lying and assembling components, and a wiring compartment and an installation compartment for assembling electric control and driving elements are further arranged in the main frame;

[0009] A frame holding mechanism arranged on the main frame for supporting the lower leg;

[0010] A rehabilitation mechanism arranged on the main frame for patient leg pedaling training;

[0011] An adjusting mechanism arranged on the main frame for real-time adjusting the training intensity of the rehabilitation mechanism.

[0012] Further, the frame holding mechanism comprises a fastening assembly for fastening the lower leg, an extension arm connected at one end with the frame support plate and at the other end with the fastening assembly, and a pressing assembly arranged on the fastening assembly for locking the lower leg;

[0013] The buckle assembly comprises a support plate arranged at the end of the telescopic arm away from the main frame, an upper buckle plate hinged between the support plate, and a buckle pin rod arranged on the support plate for buckling the pin between the support plate and the upper buckle plate.

[0014] The pressing assembly comprises a movable clamp arm arranged in the first slot hole on the upper buckle plate, and two groups of friction tapes arranged on the movable clamp arm and buckled with each other.

[0015] Further, the rehabilitation mechanism comprises a holding assembly for leg training and a rebound assembly for providing rebound force to the holding assembly.

[0016] The holding assembly comprises a limiting slide rail arranged on the inner wall of the installation bin, a limiting support plate sliding on the limiting slide rail, and a support plate connected between the support plate through the connecting arm and sliding up and down on the limiting support plate.

[0017] The rebound assembly comprises a spring arranged at one end on the limiting support plate and at the other end on the inner wall of the installation bin, and a limiting slide rod arranged on the limiting support plate and sleeved between the spring.

[0018] Further, the adjusting mechanism comprises a sensing device arranged on the holding assembly for sensing the motion state, a lead screw connected at one end with the driving element inside the wiring bin and at the other end with the bearing between the inner wall of the installation bin, and an adjusting stop plate controlled by the lead screw for adjusting the rebound force of the rebound assembly, and the limiting slide rod is movably connected between the adjusting stop plate.

[0019] Further, the limiting support plate is further provided with a second slot hole with a first limiting slot opened on both sides, the support plate is provided with a connecting rod slidingly connected between the first limiting slot, and the outer end of the connecting rod is bearing-connected with a first limiting block slidingly connected in the first limiting slot and movably arranged between the second slot hole.

[0020] Further, the hinge shaft between the telescopic arm and the main frame is further connected between the transmission rod arranged on the main frame through two groups of intermeshing bevel gears and bearings, the transmission rod is further connected between the first gear through the spline shaft, the first gear is further connected between the second gear arranged at the end of the connecting rod away from the support plate through the toothed belt, and the spline shaft is further bearing-connected with a linkage arm connected with the limiting support plate.

[0021] Further, the support plate is further provided with a third slot hole, the third slot hole is further provided with a lower support plate movably sliding in the third slot hole by slidingly connecting the second limiting block arranged on both sides with the second limiting slot arranged on both sides inside the third slot hole, and the lower end of the lower support plate is further provided with a lower support plate for supporting and buckling the friction tape.

[0022] Furthermore, a third limiting groove is provided on both sides of the first slot, and the movable clamping arm is limited by the fourth limiting groove opened at the upper end, which has a limiting arm that is slidably engaged with the third limiting groove at both ends.

[0023] Compared with existing technologies, the beneficial effects of this solution are: by setting up a structure that can provide real-time feedback and adjustment based on the patient's leg-kicking force during rehabilitation activities, the solution ensures that the patient can always use the maximum force that the current leg can exert for leg-kicking training, thereby maintaining a high level of muscle movement and bringing about the maximum rehabilitation effect.

[0024] The solution incorporates a structure that assists in the synchronous lateral twisting of the patient's legs during the rehabilitation leg-kicking exercises of the device, thereby maximizing the stimulation of the leg muscles and further ensuring the high efficiency of rehabilitation. Attached Figure Description

[0025] The accompanying drawings, which form part of this application, are used to provide a further understanding of the invention. The illustrative embodiments of the invention and their descriptions are used to explain the invention and do not constitute an undue limitation of the invention. In the drawings:

[0026] Figure 1 This is a frontal three-dimensional schematic diagram of the present invention;

[0027] Figure 2 This is a rear-view stereoscopic diagram of the present invention;

[0028] Figure 3 This is the present invention. Figure 1 Cross-sectional three-dimensional schematic diagram of the mainframe;

[0029] Figure 4 This is the present invention. Figure 1 A frontal three-dimensional schematic diagram of the internal structure of the mainframe rack;

[0030] Figure 5 This is the present invention. Figure 1 Rear-view 3D schematic diagram of the internal structure of the mainframe;

[0031] Figure 6 This is the present invention. Figure 1 A side view of the internal structure of the mainframe;

[0032] Figure 7 This is a three-dimensional schematic diagram of the support mechanism in this invention;

[0033] Figure 8 This is the present invention. Figure 7 A three-dimensional schematic diagram of the central support plate;

[0034] Figure 9 This is the present invention. Figure 8 A three-dimensional schematic diagram of the movable clamping arm;

[0035] Figure 10 is a perspective view of the middle lower shelf plate of the present application Figure 8 ;

[0036] Figure 11 is a perspective view of the middle transmission rod of the present application Figure 7 ;

[0037] Figure 12 is a perspective view of the middle limit frame plate of the present application Figure 5 ;

[0038] Figure 13 is a partial sectional perspective view of the present application.

[0039] In the figure: 1, main frame; 11, wiring bin; 12, installation bin; 2, shelf support plate; 21, telescopic arm rod; 22, upper buckle plate; 23, buckle pin rod; 24, first slot hole; 25, movable clamping arm; 26, friction tape; 3, limit slide rail; 31, limit frame plate; 32, spring; 33, limit slide rod; 34, shelf foot plate; 35, connecting arm; 36, second slot hole; 37, first limit slot; 38, connecting rod; 39, movable sleeve; 310, first limit block; 4, lead screw; 41, adjusting resistance plate; 5, umbrella tooth; 51, transmission rod; 52, spline shaft; 53, first gear; 54, toothed belt; 55, second gear; 56, linkage arm; 6, third slot hole; 61, second limit slot; 62, lower shelf plate; 63, second limit block; 64, lower support plate; 65, third limit slot; 66, fourth limit slot; 67, limit frame arm. DETAILED DESCRIPTION

[0040] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. The embodiments in the present application and the features in the embodiments can be combined with each other without conflict. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0041] As Figures 1-13The shown leg rehabilitation device comprises a main frame 1 for patient lying and assembly components, the inside of the main frame 1 is further provided with a wiring bin 11 and a mounting bin 12 for assembling electric control and driving elements; a frame holding mechanism arranged on the main frame 1 for supporting the lower leg; a rehabilitation mechanism arranged on the main frame 1 for patient leg pedaling training; an adjusting mechanism arranged on the main frame 1 for real-time adjusting the training intensity of the rehabilitation mechanism, during the use of the device, the patient first lies on the upper end of the main frame 1, and the lower leg part of the patient is supported by the frame holding mechanism, then the patient needs to put his feet on the rehabilitation mechanism, and by pedaling, the intensity is applied to make it displace, thereby recovering the leg muscles, and during the pedaling, the adjusting mechanism can detect the leg force of the patient in real time, when it is detected that the rehabilitation mechanism cannot be displaced under the maximum pedaling activity, the adjusting mechanism will reduce the reaction force applied to the patient's leg by the rehabilitation mechanism, thereby enabling the patient to continuously complete the pedaling activity, so that the patient's leg muscles are quickly recovered in the rehabilitation movement of continuously applying maximum intensity and maintaining leg flexion and extension activity.

[0042] In an embodiment, the frame holding mechanism comprises a buckling assembly for buckling the lower leg, a telescopic arm 21 hinged at one end to the frame support plate 2 and at the other end to the buckling assembly, and a pressing assembly arranged on the buckling assembly for locking the lower leg, in order to ensure that the lower leg part is always well supported during the leg activity of the patient, the frame support plate 2 and the telescopic arm 21 need to be buckled, and then the pressing assembly at the upper end is used to press the front end of the tibia, thereby clamping the lower leg, so that the buckling assembly can move during the leg activity, it is worth noting that the telescopic arm 21 is arranged to adjust the height of the lower leg frame support according to the height of the patient, as long as it has a telescopic adjusting structure, such as hydraulic rod, telescopic cylinder, electric telescopic rod, etc., it can be used instead of assembly;

[0043] The buckling assembly comprises a frame support plate 2 arranged at the end of the telescopic arm 21 away from the main frame 1, an upper buckling plate 22 hinged between the frame support plate 2, and a buckling pin 23 arranged on the frame support plate 2 for buckling and pinning between the frame support plate 2 and the upper buckling plate 22, the use of the buckling assembly is to support the lower leg of the patient on the frame support plate 2, and then cover the upper buckling plate 22, and use the buckling pin 23 to penetrate and pin between the two, thereby buckling and stabilizing, it is particularly noted that the structure of the buckling pin 23 can not be arranged in the manner of the embodiment, it only needs to be a structure that can ensure the buckling and fixation between the frame support plate 2 and the upper buckling plate 22, such as buckle structure, bolt locking structure, etc., which can be used instead;

[0044] The pressing assembly comprises a movable clamping arm 25 movably arranged in the first slot hole 24 on the upper clamping plate 22, and two groups of frictional adhesive tapes 26 arranged on the movable clamping arm 25 and clamped with each other. When the support plate 2 and the upper clamping plate 22 are clamped, the movable clamping arm 25 moves towards the upper end of the tibia of the patient's lower leg, and then the frictional adhesive tapes 26 wrap around the support plate 2 and the upper clamping plate 22 from the upper end of the movable clamping arm 25, and then the two are abutted and tightly adhered, so that the lower leg is fixed on the upper end of the clamping assembly.

[0045] In an embodiment, the rehabilitation mechanism comprises a holding assembly for leg lifting training and a rebound assembly for providing rebound force to the holding assembly. The holding assembly is mainly used for receiving the leg lifting force applied by the patient, and the rebound force provides a counteracting force to the patient's leg, so that the patient's leg can continuously exert force, and the leg muscles of the patient can be well trained.

[0046] The holding assembly comprises a limiting slide rail 3 arranged on the inner wall of the mounting bin 12, a limiting rack plate 31 movably arranged on the limiting slide rail 3, and a rack foot plate 34 movably arranged on the limiting rack plate 31 and connected between the support plate 2 and the connecting arm 35. The support plate 2 is connected between the connecting arm 35 and the rack foot plate 34 to ensure the synchronization of the movement of the two. Since the support plate 2 is circumferentially movable along the telescopic arm 21 arranged at the lower end of the support plate 2, the rack foot plate 34 also needs to be longitudinally movable during the displacement process, so as to keep the synchronous movement with the support plate 2. Therefore, the limiting rack plate 31 is arranged to enable the longitudinal movement of the rack foot plate 34. It is worth noting that since the number of rack foot plates 34 corresponds to the number of legs, two groups of rack foot plates 34 are arranged. The limiting rack plate 31 needs to be arranged with two limiting points to limit the rack foot plate 34. However, the limiting rack plate 31 can be arranged in a detachable structure. During use, the specific leg problems of the patient can be used. When the patient only needs rehabilitation of one leg, a single rehabilitation mechanism can be used for rehabilitation. When both legs need rehabilitation, the limiting rack plate 31 can be fixed to enable the synchronous movement of the two legs, so as to exercise the coordination of the two legs.

[0047] The rebound assembly comprises a spring 32 arranged at one end on the limiting rack plate 31 and at the other end on the inner wall of the mounting bin 12, and a limiting slide rod 33 arranged on the limiting rack plate 31 and sleeved with the spring 32. The spring 32 is arranged to contract during the displacement of the limiting rack plate 31, and then the internal elastic force of the spring 32 provides a rebound tendency to the limiting rack plate 31, so that the limiting rack plate 31 can resist the patient's leg.

[0048] In an embodiment, the adjusting mechanism comprises a sensing device arranged on the force holding assembly for sensing the motion state, a lead screw 4 having one end connected with the driving element inside the wiring bin 11 and the other end connected with the inner wall of the mounting bin 12 through a bearing, and an adjusting stop plate 41 driven and controlled by the lead screw 4 for adjusting the rebound force of the rebound assembly. The limiting slide rod 33 is movably connected between the adjusting stop plate 41 and the limiting frame plate 31. The arrangement of the sensing device enables the motion of the limiting frame plate 31 or the frame foot plate 34 to be monitored in real time. When the patient uses the maximum force to kick the legs but cannot cause the limiting frame plate 31 to move, it is proved that the rebound force is too large, and thus the motion state is transmitted to the central controller inside the wiring bin 11 through the electrical signal, and the driving element inside the wiring bin 11 drives the lead screw 4 to rotate, thereby driving the adjusting stop plate 41 to move relative to the limiting frame plate 31, so that the contraction state of the spring 32 between the two plates can be adjusted, thereby changing the elastic potential energy of the spring 32. When the patient's legs can kick the limiting frame plate 31 to move, the adjustment stops. This way can keep the patient always able to maximize the muscle to carry out rehabilitation training. It is worth noting that the function of the sensing device is to detect the motion state of the limiting frame plate 31 or the frame foot plate 34, so as to determine whether the patient's legs can kick the rehabilitation mechanism to train under the condition of maximum force. Therefore, the sensing device can be set in various forms to monitor the motion state of the limiting frame plate 31 or the frame foot plate 34, which can be an acceleration sensor, a pressure sensor, or an infrared sensor. As long as the motion state can be monitored, they can be used instead.

[0049] In an embodiment, the limiting frame plate 31 is further provided with a second slot hole 36 having a first limiting slot 37 opened on both sides, and the frame foot plate 34 is provided with a connecting rod 38 slidably connected between the first limiting slot 37. The outer end of the connecting rod 38 is connected with a movable sleeve 39 which is limited to move between the second slot holes 36 by a first limiting block 310 which is slidably connected in the first limiting slot 37. In order to ensure that the frame foot plate 34 can move up and down on the limiting frame plate 31 while also being able to rotate, the movable sleeve 39 and the connecting rod 38 are connected through a bearing, thereby enabling the connecting rod 38 and the frame foot plate 34 to rotate synchronously. The movable sleeve 39 is limited to move by the first limiting block 310 between the first limiting slot 37, thereby enabling the movable sleeve 39 to drive the connecting rod 38 to move up and down, so that the frame foot plate 34 can also move up and down.

[0050] In an embodiment, the hinge shaft between the telescopic arm lever 21 and the main rack 1 is also driven by two sets of intermeshing bevel gears 5 and bearing-mounted transmission rods 51 on the main rack 1. The transmission rods 51 are driven by spline shafts 52 and first gears 53, which are driven by a toothed belt 54 and a second gear 55 arranged on the connecting rod 38 away from the rack foot plate 34. The spline shaft 52 is also bearing-connected with a linkage arm 56 connected between the limiting rack plate 31. In order to enable the rack support plate 2 to also drive the patient's leg to perform lateral twisting during the movement of the patient's leg, the circumference of the telescopic arm lever 21 is used to enable the hinge shaft between the lower end of the telescopic arm lever 21 and the main rack 1 to vertically drive the transmission rod 51 through the bevel gears 5. In the process of rotating the transmission rod 51, the spline shaft 52 can drive the first gear 53 to rotate. The arrangement of the spline shaft 52 ensures that the relative distance between the transmission rod 51 and the first gear 53 changes when the transmission rod 51 drives the first gear 53 to rotate synchronously. Since the first gear 53 and the second gear 55 need to be synchronously driven, and the limiting rack plate 31 drives the second gear 55 to move synchronously during movement, the first gear 53 also needs to move synchronously with the limiting rack plate 31. Therefore, the distance between the transmission rod 51 and the first gear 53 can be changed by arranging the spline shaft 52, and the limiting rack plate 31 can drive the spline shaft 52 to stretch during movement by using the linkage arm 56, thereby ensuring the synchronicity of the transmission structure.

[0051] In an embodiment, the rack support plate 2 is also provided with a third slot hole 6, and a lower rack plate 62 is arranged in the third slot hole 6 by sliding and clamping between second limiting grooves 61 arranged on both sides of the third slot hole 6 and second limiting blocks 63 arranged on both sides. The lower end of the lower rack plate 62 is also provided with a lower support plate 64 for supporting and clamping the friction sticker 26. In order to better rotate the leg when the leg is twisted by the rack foot plate 34, the lower rack plate 62 arranged on the rack support plate 2 can move in an arc, thereby driving the bottom end of the calf to twist with the rack foot plate 34.

[0052] In an embodiment, the first slot hole 24 is also provided with a third limiting groove 65 on both sides, and the movable clamping arm 25 is provided with a limiting rack arm 67 at both ends by sliding and clamping the fourth limiting groove 66 arranged on the upper end. The limiting rack arm 67 is arranged to limit the movable clamping arm 25, so that it can move up and down while being driven by the limiting rack arm 67 to move in an arc, thereby enabling the upper end and the lower end of the patient's calf to rotate synchronously and better achieve the twisting effect of the leg.

[0053] It will be apparent to those skilled in the art that the application is not limited to the details of the above-exemplified embodiments and that the present application can be implemented in other particular forms without departing from the spirit or essential characteristics of the present application. The embodiments should therefore be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the above description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. A leg rehabilitation device, characterized by: The utility model relates to a kind of rehabilitation training device, including: Main frame (1) for patient lying and assembly component, the inside of main frame (1) is further provided with wiring compartment (11) and installation compartment (12) for assembling electric control and driving element; Frame holding mechanism, provided on main frame (1), for supporting shank; Rehabilitation mechanism, provided on main frame (1), for patient leg pedaling training; Adjusting mechanism, provided on main frame (1), for real-time adjusting training intensity of rehabilitation mechanism; The frame holding mechanism includes fastening assembly for shank fastening, telescopic arm lever (21) with one end articulated with frame support plate (2) and the other end articulated with fastening assembly, and pressing assembly provided on fastening assembly for locking shank; Fastening assembly includes frame support plate (2) provided on telescopic arm lever (21) away from one end of main frame (1), upper buckle plate (22) articulated between frame support plate (2), and buckle pin rod (23) provided on frame support plate (2) for buckling pin between frame support plate (2) and upper buckle plate (22); Pressing assembly includes movable clamp arm (25) limit moving in first slot hole (24) on upper buckle plate (22), and two groups of friction tape (26) provided on movable clamp arm (25) and mutually buckling; The rehabilitation mechanism includes force holding assembly for leg pedaling training and springback assembly providing resilience to force holding assembly; Force holding assembly includes limit slide rail (3) provided on inner wall of installation compartment (12), limit frame plate (31) limit sliding on limit slide rail (3), and frame foot plate (34) connected between frame support plate (2) through connecting arm (35) and limit sliding up and down on limit frame plate (31); Springback assembly includes spring (32) with one end provided on limit frame plate (31) and the other end provided on inner wall of installation compartment (12), and limit slide rod (33) provided on limit frame plate (31) and sleeved between spring (32); The limit frame plate (31) is further provided with second slot hole (36) with first limit slot (37) opened on both sides, the connecting rod (38) is provided on the frame foot plate (34) and slidingly connected between the first limit slot (37), the outer end bearing of the connecting rod (38) is connected with the first limit block (310) slidingly connected in the first limit slot (37), and the movable sleeve (39) is limit moving between the second slot hole (36); The articulation shaft between the telescopic arm lever (21) and the main frame (1) is further transmitted between the transmission rod (51) bearing on the main frame (1) through two groups of intermeshing bevel gears (5) close to one end of the main frame (1) two sides, the transmission rod (51) is transmitted between the first gear (53) through spline shaft (52), the first gear (53) is transmitted between the second gear (55) provided on the connecting rod (38) away from the frame foot plate (34) one end through toothed belt (54), the spline shaft (52) is further connected with the linkage arm (56) between the limit frame plate (31) bearing connected.

2. A leg rehabilitation device according to claim 1, characterized in that: The adjusting mechanism comprises a sensing device arranged on the force holding assembly for sensing the motion state, a lead screw (4) having one end connected with the driving element inside the wiring bin (11) and the other end connected with the inner wall of the mounting bin (12) through a bearing, and an adjusting stop plate (41) driven and controlled by the lead screw (4) for adjusting the rebound force of the rebound assembly, and the limit slide rod (33) is movably connected with the adjusting stop plate (41).

3. A leg rehabilitation device according to claim 2, wherein: The frame support plate (2) is further provided with a third slot hole (6), and the third slot hole (6) is further provided with a lower frame plate (62) which is limited to slide inside the third slot hole (6) through the sliding clamping of the second limiting clamping blocks (63) arranged on both sides and the second limiting grooves (61) arranged on both sides inside the third slot hole (6), and the lower end of the lower frame plate (62) is further provided with a lower support plate (64) for supporting the friction sticker (26).

4. A leg rehabilitation device according to claim 3, wherein: The first slot hole (24) is further provided with third limiting grooves (65) on both sides, and the movable clamping arm (25) is limited to be provided with limiting frame arms (67) which are slidably clamped at both ends through fourth limiting grooves (66) arranged at the upper end.

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