Electrically-driven leg joint moving device

Abstract

The invention discloses an electric drive type leg joint moving device which comprises a bent plate structure used for being fixed to the thigh portion, a linkage structure arranged at the bottom of the bent plate structure, a sheath structure arranged at the bottom of the linkage structure and used for being fixed to the shank portion and a bottom plate structure arranged at the bottom end of the sheath structure. The bent plate structure comprises two arc-shaped buckle plates, long-strip-shaped side pieces are connected to the inner sides of the buckle plates, protruding plates are connected to the outer sides of the side pieces, driving structures are connected to the bottoms of the protruding plates, the output ends of the driving structures are connected with the sheath structure, the linkage structure comprises a shaft pipe, and the shaft pipe is connected with the bent plate structure. A shaft rod is arranged in the center of the interior of the shaft pipe, connecting arms are symmetrically connected to the two ends of the shaft rod, the top ends of the connecting arms are connected with a buckle plate, linkage rods are symmetrically connected to the bottom end of the shaft pipe, and the bottom ends of the linkage rods are connected with a sheath structure. The leg joint of a patient can be conveniently strengthened and exercised, and the practicability is high.

Description

Technical Field

[0001] The present invention relates to the technical field of medical equipment, and in particular to an electrically driven leg joint movement device. Background Art

[0002] Orthopedics is one of the most common departments in major hospitals. It mainly studies the anatomy, physiology and pathology of the musculoskeletal system, and uses drugs, surgery and physical methods to maintain and develop the normal form and function of this system. With the changes in the times and society, the spectrum of orthopedic injuries and diseases has changed significantly. For example, diseases such as bone and joint tuberculosis, osteomyelitis and polio have decreased significantly, while trauma caused by traffic accidents has increased significantly. Changes in the spectrum of orthopedic injuries require orthopedics to keep pace with the times.

[0003] Orthopedic patients need to perform rehabilitation activities after surgery. Exercising the limbs can help blood circulation in the limbs and is very helpful in speeding up recovery, especially for the legs. Regular exercise is needed to prevent muscle atrophy, and exercise can promote the recovery of leg joints.

[0004] Most of the existing leg joint devices use fixed mechanical parts to perform repeated exercise on the leg joints, and the overall exercise recovery effect is poor. Therefore, it is necessary to design corresponding technical solutions to solve the existing technical problems. Summary of the invention

[0005] 1. Technical issues to be solved

[0006] In view of the shortcomings of the existing technology, the present invention provides an electrically driven leg joint movement device, which solves the problem that most of the existing leg joint devices use fixed mechanical components to perform repeated exercise exercises on the leg joints, resulting in poor overall exercise recovery effect.

[0007] (II) Technical solution

[0008] To achieve the above objectives, the present invention is implemented through the following technical solutions: an electrically driven leg joint movable device, comprising a curved plate structure for fixing to a thigh portion, a linking structure arranged at the bottom of the curved plate structure, a sheath structure arranged at the bottom of the linking structure for fixing to a calf portion, and a bottom plate structure arranged at the bottom end of the sheath structure, the curved plate structure comprising two arc-shaped buckle plates, the inner sides of the buckle plates are connected to long strip-shaped side pieces, the outer sides of the side pieces are connected to convex plates, the bottom of the convex plates are connected to a driving structure, the output end of the driving structure is connected to the sheath structure, the linking structure comprises an axle tube, an axle rod is arranged at the inner center of the axle tube, connecting arms are symmetrically connected to both ends of the axle rod, the top of the connecting arm is connected to the buckle plate, the bottom end of the axle tube is symmetrically connected to a linkage rod, and the bottom end of the linkage rod is connected to the sheath structure.

[0009] As a further preferred embodiment of the present invention, the sleeve structure includes two guard plates, the bottom ends of the guard plates are commonly connected to a link plate, a plurality of pressure rods are equidistantly arranged between the guard plates, two mounting rods are arranged near the inner walls of the guard plates, the inner sides of the mounting rods are connected to spring-pressure plates, a column plate is arranged on the side walls near the guard plates, and the column plate is connected to the output end of the driving structure.

[0010] As a further preferred embodiment of the present invention, through holes are provided on the upper and lower sides of the spring pressure plate, a sheath plate is provided on the inner side of the spring pressure plate, the sheath plate is in the shape of a semi-cylindrical sheet, and through holes are provided on both sides of the sheath plate, and an elastic pad is provided on the inner side of the sheath plate.

[0011] As a further preferred embodiment of the present invention, the base plate structure includes two arc-shaped protrusions, which are symmetrically distributed on both sides of the link plate, and a motor 1 is arranged on the outer wall of the arc-shaped protrusion plate on one side, and the output end of the motor 1 is connected to a linkage shaft, and the bottom end of the linkage shaft is connected to a telescopic rod, and the bottom end of the telescopic rod is connected to a support structure.

[0012] As a further preferred embodiment of the present invention, the supporting structure includes a support plate, baffles are symmetrically arranged on both sides of the support plate, a second motor is arranged on the outer wall of the baffle on one side, the output end of the second motor is connected to a rotating shaft, and a linkage plate is connected to the rotating shaft.

[0013] As a further preferred embodiment of the present invention, a plurality of elastic bands are equidistantly arranged on the inner wall of the side panel, and a connecting buckle is arranged in the middle of the elastic band.

[0014] As a further preferred embodiment of the present invention, the driving structure is a hydraulic cylinder.

[0015] As a further preferred embodiment of the present invention, the driving structure includes motor three and a column tube, wherein motor three is arranged on the outside of the column tube, and the output end of motor three is connected to a gear disk, a pull rod is arranged inside the column tube, and a notch is arranged on the outer wall on one side of the bottom end of the column tube, and a rack corresponding to the gear disk is arranged on the inner end of the pull rod, and the gear disk is meshed with the pull rod.

[0016] (III) Beneficial effects

[0017] The present invention provides an electrically driven leg joint movable device having the following beneficial effects:

[0018] (1) The electrically driven leg joint movable device of the present invention uses a curved plate structure to be fixed on the patient's thigh. The link structure at the bottom of the curved plate structure can play a connecting role and assist in promoting the movement of the knee joint. The sheath structure arranged at the bottom of the link structure can be put on the patient's calf and then quickly fixed. The bottom plate structure at the bottom of the sheath structure can support the patient's foot and promote the movement of the ankle joint. The whole device is easy to wear quickly and can electrically drive multiple joints to promote their movement and achieve the effect of rehabilitation exercise. It is highly practical.

[0019] (2) The inner side of the buckle plate of the curved plate structure of the present invention is connected to a long strip of side plate, the outer side of the side plate is connected to a convex plate, the bottom of the convex plate is connected to a driving structure, the output end of the driving structure is connected to the sleeve structure, the driving structure uses a hydraulic cylinder or uses a motor three as a driving force, the motor three can drive the gear plate to engage with the pull rod inside the column tube, so that the pull rod is extended and retracted, and the sleeve structure at the end of the pull rod is pushed to cooperate with the link structure to rotate, the two arc-shaped protrusions of the bottom plate structure are symmetrically distributed on both sides of the link plate, and a motor one is arranged on the outer wall of the arc-shaped protrusion on one side, and the motor one is started to adjust the front and rear angles of the support structure to assist in achieving the effect of lifting the foot, and the motor two drives the linkage plate to promote the ankle joint to move, and the overall functionality is strong. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the present invention;

[0021] Figure 2 It is a schematic structural diagram of the side view of the present invention;

[0022] Figure 3 It is a schematic diagram of the structure of the present invention from a top view;

[0023] Figure 4 It is a structural schematic diagram of the bottom plate structure of the present invention;

[0024] Figure 5 It is a schematic diagram of the structure of the driving structure of the second embodiment of the present invention.

[0025] In the figure: 1. buckle plate; 2. side plate; 3. convex plate; 4. shaft tube; 5. shaft rod; 6. connecting arm; 7. linkage rod; 8. guard plate; 9. link plate; 10. pressure rod; 11. mounting rod; 12. spring pressure plate; 13. column plate; 14. sheath plate; 15. elastic pad; 16. arc-shaped convex block; 17. motor one; 18. linkage shaft; 19. telescopic rod; 20. support plate; 21. baffle; 22. motor two; 23. rotating shaft; 24. linkage plate; 25. elastic belt; 26. connecting buckle; 27. motor three; 28. column tube; 29. ​​gear plate; 30. pull rod. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] See also Figure 1-5 , the embodiment of the present invention provides a technical solution:

[0028] A kind of electric drive leg joint movable device, including a curved plate structure for fixing to the thigh part, a linking structure arranged at the bottom of the curved plate structure, a sheath structure arranged at the bottom of the linking structure for fixing to the calf part and a bottom plate structure arranged at the bottom end of the sheath structure, the curved plate structure includes two arc-shaped gusset plates 1, the inner sides of the gusset plates 1 are connected with long strip-shaped side pieces 2, the outer sides of the side pieces 2 are connected with convex plates 3, the inner sides of the convex plates 3 are correspondingly provided with batteries as power sources, which can be charged in conjunction with an external socket, the bottom of the convex plates 3 is connected with a driving structure, the output end of the driving structure is connected to the sheath structure, the linking structure includes a shaft tube 4, a shaft rod 5 is arranged at the inner center of the shaft tube 4, both ends of the shaft rod 5 are symmetrically connected with connecting arms 6, the top of the connecting arm 6 is connected to the gusset plates 1, the bottom end of the shaft tube 4 is symmetrically connected with linkage rods 7, and the bottom end of the linkage rod 7 is connected to the sheath structure.

[0029] The sheath structure includes two guard plates 8, the bottom ends of the guard plates 8 are commonly connected to a link plate 9, a number of pressure rods 10 are equidistantly arranged between the guard plates 8, two mounting rods 11 are arranged near the inner wall of the guard plate 8, the inner side of the mounting rods 11 is connected to a spring-loaded plate 12, a column plate 13 is arranged on the side wall near the guard plate 8, the column plate 13 is connected to the output end of the driving structure, and the spring-loaded plate 12 is used to fit the outside of the patient's calf, and the column plate 13 serves as the force-bearing end of the driving structure.

[0030] Through holes are provided on the upper and lower sides of the spring pressure plate 12, and a sheath plate 14 is provided on the inner side of the spring pressure plate 12. The sheath plate 14 is in the shape of a semi-cylindrical sheet, and through holes are provided on both sides of the sheath plate 14. An elastic pad 15 is provided on the inner side of the sheath plate 14. The sheath plate 14 is installed on the posterior side of the patient's calf and a rod is inserted into the through hole of the spring pressure plate 12 for quick fixation.

[0031] The bottom plate structure includes two arc-shaped protrusions 16, which are symmetrically distributed on both sides of the link plate 9, and a motor 17 is arranged on the outer wall of the arc-shaped protrusion plate 3 on one side, and the output end of the motor 17 is connected to a linkage shaft 18, and the bottom end of the linkage shaft 18 is connected to a telescopic rod 19, and the bottom end of the telescopic rod 19 is connected to a supporting structure. By using the motor 17 to drive the linkage shaft 18 to rotate and adjust the angle of the supporting structure, it is convenient to assist in lifting the foot and moving forward.

[0032] The supporting structure includes a support plate 20, baffles 21 are symmetrically arranged on both sides of the support plate 20, a motor 22 is arranged on the outer wall of the baffle 21 on one side, the output end of the motor 22 is connected to a rotating shaft 23, and a linkage plate 24 is connected to the rotating shaft 23. By using the motor 22 to drive the linkage plate 24 up and down, the movement of the ankle joint can be promoted.

[0033] A plurality of elastic bands 25 are equidistantly arranged on the inner wall of the side panel 2 , and a connecting buckle 26 is arranged in the middle of the elastic band 25 . The elastic band 25 and the connecting buckle 26 are used to fix the side panel 2 on the thigh.

[0034] In the first embodiment, the driving structure is a hydraulic cylinder, and a small hydraulic cylinder can be used as the driving force.

[0035] In the second embodiment, the driving structure includes a motor 3 27 and a column tube 28. The motor 3 27 is arranged on the outside of the column tube 28, and the output end of the motor 3 27 is connected to a gear disk 29. A pull rod 30 is arranged inside the column tube 28, and a notch is arranged on the outer wall of one side of the bottom end of the column tube 28. A rack corresponding to the gear disk 29 is arranged on the inner end of the pull rod 30. The gear disk 29 is meshed with the pull rod 30. The motor 3 27 is used to drive the gear disk 29 to rotate, and the gear disk 29 is meshed with the pull rod inside the column tube 28 to cause the pull rod 30 to extend and retract as a driving force.

[0036] Working principle: When in use, the curved plate structure is fixed on the patient's thigh, the link structure at the bottom of the curved plate structure can play a connecting role and assist in promoting the movement of the knee joint, the sheath structure arranged at the bottom of the link structure can be put on the patient's calf and then quickly fixed, the bottom plate structure at the bottom of the sheath structure can support the patient's foot and promote the movement of the ankle joint. The whole is easy to wear quickly, and multiple joints can be electrically driven to promote their movement to achieve the effect of rehabilitation exercise. It is very practical. The inner side of the buckle plate 1 of the curved plate structure is connected to a long side piece 2, and the outer side of the side piece 2 is connected to a convex plate 3. The bottom of the convex plate 3 The bottom plate 9 is connected with a driving structure, and the output end of the driving structure is connected with the sleeve structure. The driving structure uses a hydraulic cylinder or a motor 3 27 as a driving force. The motor 3 27 can drive the gear plate 29 to engage with the pull rod 30 inside the column tube 28, so that the pull rod 30 can be extended and retracted, and the sleeve structure at the end of the pull rod 30 can be pushed to rotate in cooperation with the link structure. The two arc-shaped protrusions 16 of the bottom plate structure are symmetrically distributed on both sides of the link plate 9, and a motor 17 is arranged on the outer wall of the arc-shaped protrusion plate 3 on one side. Starting the motor 17 adjusts the front and rear angles of the supporting structure to assist in achieving the effect of lifting the foot, and the motor 2 22 drives the linkage plate 24 to promote the movement of the ankle joint, and the overall functionality is strong.

[0037] The present invention comprises: 1. a gusset plate; 2. a side plate; 3. a convex plate; 4. an axle tube; 5. an axle rod; 6. a connecting arm; 7. a linkage rod; 8. a guard plate; 9. a link plate; 10. a pressure rod; 11. a mounting rod; 12. a spring-pressing plate; 13. a column plate; 14. a sheath plate; 15. an elastic pad; 16. an arc-shaped convex block; 17. a motor; 18. a linkage shaft; 19. a telescopic rod; 20. a support plate; 21. a baffle plate; 22. a motor; 23. a rotating shaft; 24. a linkage plate; 25. an elastic belt; 26. a connecting buckle; 27. a motor; 28. a column tube; 29. ​​a toothed disc; 30. a pull rod; The rod and the components are all universal standard parts or components known to the technicians in this field, and their structures and principles can be known by the technicians in this field through technical manuals or through conventional experimental methods. The problem solved by the present invention is that most of the existing leg joint devices use fixed mechanical components to perform repeated exercise on the leg joints, and the overall exercise recovery effect is poor. The present invention combines the above components with each other. The electric-driven leg joint activity device of the present invention uses a curved plate structure to be fixed on the thigh part of the patient. The link structure at the bottom of the curved plate structure can play a connecting role and assist in promoting the activity of the knee joint. The sheath structure arranged at the bottom of the link structure can be put on the calf part of the patient and then quickly fixed. The bottom plate structure at the bottom of the sheath structure can support the patient's foot and promote the activity of the ankle joint. The whole is easy to wear quickly, and multiple joints can be electrically driven to promote their activities to achieve the effect of rehabilitation exercise. It is highly practical. The inner side of the buckle plate of the curved plate structure of the present invention is connected with a long strip of side piece, the outer side of the side piece is connected with a convex plate, and the bottom of the convex plate is connected with a driving structure. The output end of the dynamic structure is connected to the sleeve structure. The driving structure uses a hydraulic cylinder or a motor three as the driving force. The motor three can drive the gear plate to engage with the pull rod inside the column tube, causing the pull rod to extend and retract, and push the sleeve structure at the end of the pull rod to cooperate with the link structure to rotate. The two arc-shaped protrusions of the bottom plate structure are symmetrically distributed on both sides of the link plate, and a motor one is provided on the outer wall of the arc-shaped protrusion plate on one side. Starting the motor one adjusts the front and rear angles of the support structure to assist in achieving the effect of lifting the foot, and the motor two drives the linkage plate to promote the movement of the ankle joint, and the overall functionality is strong.

[0038] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the attached claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0039] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An electrically driven leg joint movable device, comprising a curved plate structure for fixing to a thigh part, a link structure arranged at the bottom of the curved plate structure, a sheath structure arranged at the bottom of the link structure for fixing to a calf part, and a bottom plate structure arranged at the bottom end of the sheath structure, characterized in that: The curved plate structure comprises two arc-shaped buckle plates (1), the inner sides of the buckle plates (1) are connected to long strip-shaped side plates (2), the outer sides of the side plates (2) are connected to convex plates (3), the bottom of the convex plates (3) are connected to a driving structure, the output end of the driving structure is connected to a sleeve structure, the link structure comprises an axle tube (4), an axle rod (5) is arranged at the inner center of the axle tube (4), the two ends of the axle rod (5) are symmetrically connected to connecting arms (6), the top end of the connecting arm (6) is connected to the buckle plates (1), the bottom end of the axle tube (4) is symmetrically connected to a linkage rod (7), and the bottom end of the linkage rod (7) is connected to the sleeve structure.

2. The electrically driven leg joint movable device according to claim 1, characterized in that: The sheath structure includes two guard plates (8), the bottom ends of the guard plates (8) are commonly connected to a link plate (9), a plurality of pressure rods (10) are equidistantly arranged between the guard plates (8), two mounting rods (11) are arranged near the inner wall of the guard plates (8), the inner side of the mounting rods (11) is connected to a spring-loaded plate (12), a column plate (13) is arranged on the side wall near the guard plates (8), and the column plate (13) is connected to the output end of the driving structure.

3. The electrically driven leg joint movable device according to claim 2, characterized in that: Through holes are provided on both the upper and lower sides of the spring pressure plate (12); a sheath plate (14) is provided on the inner side of the spring pressure plate (12); the sheath plate (14) is in the shape of a semi-cylindrical sheet, and through holes are provided on both sides of the sheath plate (14); and an elastic pad (15) is provided on the inner side of the sheath plate (14).

4. The electrically driven leg joint movable device according to claim 3, characterized in that: The bottom plate structure comprises two arc-shaped protrusions (16), which are symmetrically distributed on both sides of the link plate (9), and a motor 1 (17) is arranged on the outer wall of the arc-shaped protrusion plate (3) on one side, the output end of the motor 1 (17) is connected to a linkage shaft (18), the bottom end of the linkage shaft (18) is connected to a telescopic rod (19), and the bottom end of the telescopic rod (19) is connected to a support structure.

5. The electrically driven leg joint movable device according to claim 4, characterized in that: The support structure comprises a support plate (20), baffles (21) are symmetrically arranged on both sides of the support plate (20), a second motor (22) is arranged on the outer wall of the baffle (21) on one side, an output end of the second motor (22) is connected to a rotating shaft (23), and a linkage plate (24) is connected to the rotating shaft (23).

6. The electrically driven leg joint movable device according to claim 1, characterized in that: A plurality of elastic bands (25) are arranged at equal intervals on the inner wall of the side piece (2), and a connecting buckle (26) is arranged in the middle of the elastic band (25).

7. The electrically driven leg joint movable device according to claim 1, characterized in that: The driving structure is a hydraulic cylinder.

8. The electrically driven leg joint movable device according to claim 1, characterized in that: The driving structure comprises a motor three (27) and a column tube (28), wherein the motor three (27) is arranged on the outside of the column tube (28), and the output end of the motor three (27) is connected to a toothed disc (29), a pull rod (30) is arranged inside the column tube (28), and a notch is arranged on the outer wall of one side of the bottom end of the column tube (28), and a rack corresponding to the toothed disc (29) is arranged at the inner end of the pull rod (30), and the toothed disc (29) is meshed with the pull rod (30).

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