Portable rope rehabilitation mechanical arm

Abstract

The utility model discloses a portable rope rehabilitation mechanical arm, which belongs to the technical field of rehabilitation medical equipment and is characterized by comprising a small arm, the top of the small arm is movably connected with an adjusting component, the surface of the adjusting component is movably connected with an upper arm, and the rear sides of the small arm and the upper arm are fixedly connected with fixing components. The adjusting assembly comprises a storage block, and the problems that an existing portable rope rehabilitation mechanical arm is inconvenient to be connected to the arm, arms of different patients are different in thickness and shape, patients with thin or thick arms may not be well attached, the fixing effect is affected, and the rehabilitation effect is affected are solved. The problems that in the rehabilitation training process, in particular when the mechanical arm moves violently, the loosening phenomenon possibly occurs, normal rehabilitation training is affected, and the effect and efficiency of rehabilitation training are reduced are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of rehabilitation medical equipment, especially to a portable rope rehabilitation mechanical arm. BACKGROUND

[0002] The rehabilitation mechanical arm is an advanced medical equipment that combines mechanical, electronic, control and biomedical engineering technology, aims at assisting the rehabilitation therapist to provide more effective and more accurate upper limb rehabilitation training for the patient, and plays an important role in the rehabilitation treatment of the upper limb motor dysfunction caused by the nervous system injury, muscle and skeletal diseases and the like.

[0003] The existing rehabilitation mechanical arm adopts a control mode that one degree of freedom corresponds to one driving assembly, and the multiple driving assemblies bring additional weight and volume, which affects the wearing experience of the patient, and also increases the control difficulty of the robot and the cost of the product;

[0004] The existing patent (publication number: CN213723334U) discloses an underactuated shoulder and elbow joint rehabilitation machine using rope transmission, the synchronous movement of the connecting rod assembly, the elbow joint assembly, the rotating assembly and the wrist assembly is driven by the output power of the driving assembly, since the shoulder joint rope reel is fixed with the driving assembly shell, therefore, in the shoulder and elbow connecting rod rotation process, the winding lengths of the first rope and the second rope on the shoulder joint rope reel change, thereby driving the rotation of the elbow joint passive rope reel and the lower structure including the elbow joint assembly, the rotating assembly and the wrist assembly fixed with the elbow joint assembly relative to the shoulder and elbow connecting rod; since the elbow joint active rope reel is relatively fixed with the shoulder and elbow connecting rod, therefore, in the elbow joint connecting rod rotation process, the winding lengths of the third rope and the fourth rope on the elbow joint active rope reel change, thereby driving the rotation of the annular rope reel relative to the rotating assembly fixed support, so as to realize the driving of the shoulder joint flexion and extension, the elbow joint flexion and extension and the elbow joint internal and external rotation on the mechanical arm by one driving module, and the effective rehabilitation training of the shoulder joint and the elbow joint of the patient can be realized by fixing the mechanical arm and the patient's arm through the contact cavity.

[0005] In view of the above problems, the existing patent provides a solution, but it is not convenient to connect at the arm, the thickness and shape of the arms of different patients are different, for patients with thinner or thicker arms, it may not fit well, thereby affecting the fixing effect, and the connection mode of the contact cavity and other parts of the mechanical arm may not be stable enough, in the rehabilitation training process, especially when the mechanical arm moves violently, it may loosen, affecting the normal progress of the rehabilitation training, and reducing the effect and efficiency of the rehabilitation training.

[0006] Therefore, a portable rope rehabilitation mechanical arm is proposed. UTILITY MODEL CONTENTS

[0007] The utility model discloses a portable rope rehabilitation mechanical arm can solve the inconvenient connection of the existing portable rope rehabilitation mechanical arm at the arm, the arm thickness of different patients, shape each has the difference, for the patient of arm thin or thick, possibly cannot very good adhesion, thereby influence fixed effect, and the connection mode of contact cavity and other parts of mechanical arm possibly is not enough stable, in the rehabilitation training process, especially when the mechanical arm movement is relatively violent, possibly will appear the loosening phenomenon, influence the normal progress of rehabilitation training, reduced the effect and efficiency of rehabilitation training problem.

[0008] In order to realize above-mentioned purpose, the utility model provides the following technical scheme: a portable rope rehabilitation mechanical arm, including small arm, the top of small arm swing joint has adjusting assembly, and the surface of adjusting assembly swing joint has upper arm, the rear side of small arm and upper arm all are fixedly connected with fixed component, adjusting assembly includes storage block, the top of inside of storage block is connected with connecting wheel of rotation, and storage block is connected with small arm of rotation, be provided with elastic rope between small arm and upper arm, and elastic rope passes through connecting wheel;

[0009] The fixed component includes fixed block, the inside rotation of fixed block is connected with winding drum, and the top of winding drum is fixedly connected with rotation ring, the surface of winding drum is wound with connecting band, and the side away from winding drum of connecting band extends to the outside of fixed block and is fixedly connected with buckle block, the side away from buckle block of fixed block is fixedly connected with positioning block, and buckle block is swing connected with positioning block.

[0010] Preferably, the top of both sides of the storage block is fixedly connected with the connecting block, and the inside of both connecting blocks is fixedly connected with the spring, the side opposite to the spring of both springs is fixedly connected with the moving plate, and the side away from the spring of the moving plate is fixedly connected with the pressing block.

[0011] Preferably, both sides of the connecting wheel are provided with auxiliary wheels, and the elastic rope is located between the auxiliary wheel and the connecting wheel.

[0012] Preferably, the inside of both connecting blocks is provided with a moving slot matched with the moving plate, and the side away from the moving plate of the spring is fixedly connected with the side of the moving slot inner wall close to the connecting wheel, and the side opposite to the connecting block of both connecting blocks is provided with a moving hole matched with the pressing block, and the moving hole is communicated with the moving slot.

[0013] Preferably, the inside of the fixed block is provided with a fixed slot, and the winding drum is rotationally connected in the inside of the fixed slot, and the right side of the fixed block is provided with a connecting hole matched with the connecting band, and the connecting hole is communicated with the fixed slot.

[0014] Preferably, the side away from the fixed block of the positioning block is provided with a connecting slot matched with the buckle block, and the surface of the buckle block is in contact with the inner wall of the connecting slot.

[0015] Preferably, the bottom of the upper arm on both sides is provided with a plurality of positioning holes matched with the pressing blocks, and the surface of the pressing block is in contact with the inner wall of the positioning hole.

[0016] Preferably, the bottom of the rear side of the small arm is fixedly connected with a handle, and the surface of the handle is provided with anti-skid lines.

[0017] Compared with the prior art, the portable rope rehabilitation mechanical arm has the beneficial effects that:

[0018] 1. The length of the upper arm can be adjusted according to actual conditions, so that the device is suitable for arms of different patients, and the applicability of the device is improved.

[0019] 2. The length of the connecting belt can be adjusted according to the condition of the arm of a specific patient, so that the connecting belt is in close contact with the surface of the arm, the phenomenon of sliding or displacement of the device on the arm is prevented, and stable protection is provided for the patient during the rehabilitation training process, and the convenience of use of the fixing assembly is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole structure diagram of the portable rope rehabilitation mechanical arm.

[0021] Figure 2 It is a connection schematic view of the small arm, the upper arm, the fixing assembly and the adjusting assembly.

[0022] Figure 3 It is a structure schematic view of the upper arm.

[0023] Figure 4 It is a structure schematic view of the adjusting assembly.

[0024] Figure 5 It is a structure schematic view of the fixing assembly.

[0025] In the drawing, 1 is a small arm, 2 is an adjusting assembly, 201 is a storage block, 202 is a connecting wheel, 203 is a connecting block, 204 is a spring, 205 is a moving plate, 206 is a pressing block, 3 is an upper arm, 4 is a fixing assembly, 401 is a fixing block, 402 is a winding roller, 403 is a rotating ring, 404 is a connecting belt, 405 is a buckle block, 406 is a positioning block, 5 is an elastic rope, 6 is an auxiliary wheel, 7 is a moving groove, 8 is a moving hole, 9 is a fixing groove, 10 is a connecting hole, 11 is a connecting groove, 12 is a positioning hole, 13 is a handle. DETAILED DESCRIPTION

[0026] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, apparently, the described embodiment is only a part of the embodiment of the utility model, and is not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of protection of the utility model.

[0027] Please refer to Figures 1-5 The utility model provides technical scheme:

[0028] A portable rope rehabilitation mechanical arm, including small arm 1, the top of small arm 1 is movably connected with adjusting assembly 2, and the surface of adjusting assembly 2 is movably connected with upper arm 3, and the rear side of small arm 1 and upper arm 3 is movably connected with fixed assembly 4, adjusting assembly 2 includes storage block 201, the top of the inside of storage block 201 is rotatably connected with connecting wheel 202, and storage block 201 is rotatably connected with small arm 1, and elastic rope 5 is arranged between small arm 1 and upper arm 3, and elastic rope 5 passes through connecting wheel 202;

[0029] Fixed assembly 4 includes fixed block 401, the inside of fixed block 401 is rotatably connected with winding drum 402, and the top of winding drum 402 is fixedly connected with rotating ring 403, the surface of winding drum 402 is wound with connecting band 404, and the side, away from winding drum 402 of connecting band 404, extends to the outside of fixed block 401 and is fixedly connected with buckle block 405, the side, away from buckle block 405 of fixed block 401, is fixedly connected with positioning block 406, and buckle block 405 is movably connected with positioning block 406.

[0030] In the embodiment: by pressing pressing block 206, moving plate 205 is moved stably under the limitation of moving groove 7 and compresses spring 204, the fixing effect of adjusting assembly 2 is released, storage block 201 can move stably, and under the action of spring 204, it generates reaction force, drives pressing block 206 to return to the original position stably under the limitation of moving hole 8, so that the length of the device can be fine-tuned according to actual conditions, the convenience of adjusting assembly 2 is improved, then buckle block 405 is connected more firmly by the cooperation of buckle block 405 and connecting groove 11, effectively prevent the phenomenon that buckle block 405 accidentally separates in the use process, so that connecting band 404 can be wrapped around the arm of the patient, and by rotating rotating ring 403, winding drum 402 is stably rotated, synchronously driving connecting band 404 to move stably, the length of connecting band 404 can be adjusted, so that connecting band 404 is in close contact with the surface of the arm, thereby guaranteeing the stability of the patient in the rehabilitation training process, and the convenience of fixed assembly 4 is improved.

[0031] Specifically, asFigure 4 As shown in the figure, the top of the two sides of the storage block 201 is fixedly connected with the connecting block 203, and the inside of the two connecting blocks 203 is fixedly connected with the spring 204. The opposite side of the two springs 204 is fixedly connected with the moving plate 205, and the side of the moving plate 205 away from the spring 204 is fixedly connected with the pressing block 206.

[0032] Specifically, as shown in the figure, Figure 2 , Figure 4 The two sides of the connecting wheel 202 are provided with auxiliary wheels 6, and the elastic rope 5 is located between the auxiliary wheels 6 and the connecting wheel 202.

[0033] Specifically, as shown in the figure, Figure 4 The inside of the two connecting blocks 203 is provided with a moving groove 7 matched with the moving plate 205, and the side of the spring 204 away from the moving plate 205 is fixedly connected with the inner wall of the moving groove 7 close to the connecting wheel 202. The opposite side of the two connecting blocks 203 is provided with a moving hole 8 matched with the pressing block 206, and the moving hole 8 is communicated with the moving groove 7.

[0034] In this embodiment: by pressing the pressing block 206, the moving plate 205 is driven to move stably under the limitation of the moving groove 7 and compress the spring 204, the fixing effect of the adjusting assembly 2 is released, the storage block 201 can move stably, and under the action of the spring 204, the pressing block 206 is driven to return to the original position stably under the limitation of the moving hole 8, so that the length of the device can be fine adjusted according to the actual situation, the convenience of using the adjusting assembly 2 is improved, and then the cooperation of the auxiliary wheel 6 and the connecting wheel 202 can limit the moving position of the elastic rope 5, ensure that the elastic rope 5 moves in the specified route, avoid the deviation or shaking of the elastic rope 5, so that the mechanical arm can simulate the movement of the upper limbs of the human body more stably and accurately in the movement process, and the practicability of the device is improved.

[0035] Specifically, as shown in the figure, Figure 5 The inside of the fixed block 401 is provided with a fixed groove 9, and the winding roller 402 is rotatably connected in the inside of the fixed groove 9. The right side of the fixed block 401 is provided with a connecting hole 10 matched with the connecting belt 404, and the connecting hole 10 is communicated with the fixed groove 9.

[0036] Specifically, as shown in the figure, Figure 5 The side of the positioning block 406 away from the fixed block 401 is provided with a connecting groove 11 matched with the buckle block 405, and the surface of the buckle block 405 is in contact with the inner wall of the connecting groove 11.

[0037] In the embodiment: through the cooperation of the buckle block 405 and the connecting groove 11, the surface of the buckle block 405 is in contact with the inner wall of the connecting groove 11, which can make the connection of the buckle block 405 more firm, effectively prevent the buckle block 405 from accidentally separating during use, and ensure the firmness of the connection of the fixing assembly 4. The connecting hole 10 is in communication with the fixing groove 9, so that the winding drum 402 can drive the connecting belt 404 to move stably under the limitation of the connecting hole 10. The length of the connecting belt 404 can be adjusted, so that the connecting belt 404 is in close contact with the surface of the arm, thereby the length of the connecting belt 404 can be adjusted flexibly according to the specific situation of the patient's arm, and the flexibility of the use of the fixing assembly 4 is improved.

[0038] Specifically, as shown in Figure 2 , Figure 3 The bottom of the upper arm 3 on both sides is provided with a plurality of positioning holes 12 used in cooperation with the pressing block 206, and the surface of the pressing block 206 is in contact with the inner wall of the positioning hole 12.

[0039] Specifically, as shown in Figure 1 , Figure 2 The bottom of the rear side of the small arm 1 is fixedly connected with the handle 13, and the surface of the handle 13 is provided with anti-skid lines.

[0040] In the embodiment: through the cooperation of the buckle block 405 and the connecting groove 11, the surface of the buckle block 405 is in contact with the inner wall of the connecting groove 11, which can make the connection of the buckle block 405 more firm, effectively prevent the buckle block 405 from accidentally separating during use, and ensure the firmness of the connection of the fixing assembly 4. The connecting hole 10 is in communication with the fixing groove 9, so that the winding drum 402 can drive the connecting belt 404 to move stably under the limitation of the connecting hole 10. The length of the connecting belt 404 can be adjusted, so that the connecting belt 404 is in close contact with the surface of the arm, thereby the length of the connecting belt 404 can be adjusted flexibly according to the specific situation of the patient's arm, and the flexibility of the use of the fixing assembly 4 is improved.

[0041] Working principle: when using the rope rehabilitation mechanical arm to carry out rehabilitation training, first of all, through pressing the pressing block 206, the moving plate 205 is smoothly moved under the limitation of the moving groove 7 and the spring 204 is compressed, the fixing effect of the adjusting assembly 2 is released, the storage block 201 can be smoothly moved, under the action of the spring 204, the reverse force is generated, the pressing block 206 is smoothly returned to the original position under the limitation of the moving hole 8, the surface of the pressing block 206 is in contact with the inner wall of the positioning hole 12, so that the length of the device can be adjusted according to the actual situation, the mechanical arm and the arm of the patient can be better matched, then the buckle block 405 is used in cooperation with the connecting groove 11, the buckle block 405 is connected more firmly, the phenomenon that the buckle block 405 is accidentally separated in the use process is effectively prevented, so that the connecting belt 404 can be wrapped around the arm of the patient, the rotating ring 403 is rotated, the winding drum 402 is smoothly rotated, the connecting belt 404 is smoothly moved, the length of the connecting belt 404 can be adjusted, the surface of the connecting belt 404 is in close contact with the arm, so that the stability of the patient in the rehabilitation training process is ensured, then the auxiliary wheel 6 is used in cooperation with the connecting wheel 202, the moving position of the elastic rope 5 can be limited, it is ensured that the elastic rope 5 can move in the specified route, the phenomenon that the elastic rope 5 deviates or shakes is avoided, so that the mechanical arm can more stably and accurately simulate the movement of the upper limbs of the human body in the movement process, under the action of the handle 13, the user can conveniently carry and move the mechanical arm, under the action of the antiskid pattern on the surface of the handle 13, the friction is increased, the holding is more stable, and the phenomenon that the mechanical arm slips when moving is avoided.

[0042] The above is only the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A portable rope rehabilitation robotic arm comprising an arm (1), characterized in that: The top of the small arm (1) is movably connected with an adjusting assembly (2), the surface of the adjusting assembly (2) is movably connected with an upper arm (3), the rear side of the small arm (1) and the upper arm (3) are fixedly connected with a fixing assembly (4), the adjusting assembly (2) comprises a storage block (201), the top of the inside of the storage block (201) is rotatably connected with a connecting wheel (202), and the storage block (201) is rotatably connected with the small arm (1), the small arm (1) and the upper arm (3) are provided with an elastic rope (5), and the elastic rope (5) passes through the connecting wheel (202); The fixing assembly (4) comprises a fixed block (401), the inside of the fixed block (401) is rotatably connected with a winding drum (402), the top of the winding drum (402) is fixedly connected with a rotating ring (403), the surface of the winding drum (402) is wound with a connecting belt (404), the side, away from the winding drum (402), of the connecting belt (404) extends to the outside of the fixed block (401) and is fixedly connected with a buckle block (405), the side, away from the buckle block (405), of the fixed block (401) is fixedly connected with a positioning block (406), and the buckle block (405) is movably connected with the positioning block (406).

2. The portable rope rehabilitation robotic arm of claim 1, wherein: The top of the two sides of the storage block (201) is fixedly connected with a connecting block (203), the inside of the two connecting blocks (203) is fixedly connected with a spring (204), the opposite sides of the two springs (204) are fixedly connected with a moving plate (205), and the side, away from the spring (204), of the moving plate (205) is fixedly connected with a pressing block (206).

3. The portable rope rehabilitation robotic arm of claim 1, wherein: The two sides of the connecting wheel (202) are provided with an auxiliary wheel (6), and the elastic rope (5) is located between the auxiliary wheel (6) and the connecting wheel (202).

4. The portable rope rehabilitation robotic arm of claim 1, wherein: The inside of the two connecting blocks (203) is provided with a moving groove (7) matched with the moving plate (205), the side, away from the moving plate (205), of the spring (204) is fixedly connected with the side, close to the connecting wheel (202), of the inner wall of the moving groove (7), and the opposite sides of the two connecting blocks (203) are provided with a moving hole (8) matched with the pressing block (206), and the moving hole (8) is communicated with the moving groove (7).

5. The portable rope rehabilitation robotic arm of claim 1, wherein: The inside of the fixed block (401) is provided with a fixed groove (9), and the winding drum (402) is rotatably connected in the inside of the fixed groove (9), the right side of the fixed block (401) is provided with a connecting hole (10) matched with the connecting belt (404), and the connecting hole (10) is communicated with the fixed groove (9).

6. The portable rope rehabilitation robotic arm of claim 1, wherein: The side, away from the fixed block (401), of the positioning block (406) is provided with a connecting groove (11) matched with the buckle block (405), and the surface of the buckle block (405) is in contact with the inner wall of the connecting groove (11).

7. The portable rope rehabilitation robotic arm of claim 1, wherein: The bottoms of the two sides of the upper arm (3) are provided with a plurality of positioning holes (12) matched with the pressing block (206), and the surface of the pressing block (206) is in contact with the inner wall of the positioning hole (12).

8. The portable rope rehabilitation robotic arm of claim 1, wherein: The bottom of the rear side of the small arm (1) is fixedly connected with a handle (13), and the surface of the handle (13) is provided with anti-skid lines.

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