Rehabilitation machine clutch mechanism for realizing respective training of upper and lower limbs

By using a coaxial upper and lower limb transmission sleeve and a drive system in the rehabilitation machine, and utilizing the cooperation of transmission gears and spiral sleeves, separate training of the upper and lower limbs is achieved, which solves the problems of complex structure and high cost of existing equipment, simplifies the equipment structure and reduces costs.

CN223901162UActive Publication Date: 2026-02-13KANGDAO (QINGDAO) MEDICAL TECH CO LTD
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Patent Information

Application Number
CN202520341709.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-28
Publication Date
2026-02-13
Estimated Expiration
2035-02-28

AI Technical Summary

Technical Problem

Existing upper and lower limb rehabilitation training equipment requires two sets of transmission systems, resulting in complex structures and high costs.

Method used

The upper and lower limb transmission sleeves are coaxially arranged, and the upper and lower limbs are trained separately through a single drive system. The transmission shaft is slidable by the cooperation of transmission gears and spiral sleeves, which simplifies the structure and reduces costs.

Benefits of technology

It enables separate training of the upper and lower limbs through a single drive system, simplifying the structure and reducing costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a rehabilitation machine clutch mechanism for realizing respective training of upper and lower limbs. The rehabilitation machine clutch mechanism comprises an upper limb transmission sleeve and a lower limb transmission sleeve which are coaxially arranged, a transmission shaft is slidably arranged in the lower limb transmission sleeve, a sliding block is rotatably installed at the end, away from the upper limb transmission sleeve, of the transmission shaft, and the transmission shaft is axially fixed relative to the sliding block. A transmission pin is inserted in the circumferential side of the sliding block in the radial direction, the outer side of the sliding block is coaxially sleeved with a spiral sleeve, a spiral guide groove is formed in the spiral sleeve, and the transmission pin is in transmission fit with the guide groove. A transmission gear is fixedly mounted on the outer side of the spiral sleeve and drives the spiral sleeve to rotate when rotating, so that the sliding block is driven to axially move, and the transmission shaft is pulled to slide left and right in the upper limb transmission sleeve; the upper limbs and the lower limbs can be driven to be independently trained through one driving system, the structure is simplified, and cost is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of rehabilitation machine clutch mechanism for realizing upper and lower limbs training separately, belong to the clutch technical field of rehabilitation machine. BACKGROUND

[0002] In recent years, the incidence of upper and lower limbs movement disorder even hemiplegia of middle-aged and old people is increasing, in addition, traffic accidents, construction accidents and the like frequently occur, which further increases the number of upper and lower limbs movement disorder. Upper and lower limbs movement disorder patients cannot live normally, suffer great pain, and increase the economic burden of family, and need rehabilitation treatment urgently. Traditional rehabilitation treatment needs to be performed with the help of professional physicians, the number of professional physicians is limited and the working intensity is great, the training efficiency is low, and the treatment cost required is expensive. In recent years, various rehabilitation training devices have appeared.

[0003] The prior art upper and lower limbs rehabilitation training device configures a set of power system when training upper and lower limbs, so as to realize separate training of upper and lower limbs. This structure needs to configure two sets of transmission systems on the one hand, so the structure is complex, and on the other hand, the cost of two sets of transmission systems is greatly increased.

[0004] From the above, it is obvious that the prior art has inconvenience and defects in actual use, so it is necessary to improve. CONTENT OF THE UTILITY MODEL

[0005] The utility model provides a kind of rehabilitation machine clutch mechanism for realizing upper and lower limbs training separately according to the deficiency in background art, can be driven by a set of drive system to separately train upper and lower limbs, simplify structure, reduce cost.

[0006] To solve the above technical problems, the utility model adopts the following technical solutions:

[0007] A kind of rehabilitation machine clutch mechanism for realizing upper and lower limbs training separately, including coaxially arranged upper limb transmission sleeve and lower limb transmission sleeve;

[0008] A transmission shaft is slidably arranged in the lower limb transmission sleeve, and a sliding block is rotatably installed at the end of the transmission shaft away from the upper limb transmission sleeve, and the transmission shaft is axially fixed relative to the sliding block;

[0009] A transmission pin is radially inserted on the circumferential side of the sliding block, and a spiral sleeve is coaxially sleeved on the outer side of the sliding block, a spiral guide groove is arranged on the spiral sleeve, and the transmission pin is in transmission cooperation with the guide groove;

[0010] A transmission gear is fixedly installed on the outer side of the spiral sleeve, and the transmission gear rotates to drive the spiral sleeve to rotate, so as to drive the sliding block to move axially, thereby pulling the transmission shaft to slide left and right in the upper limb transmission sleeve;

[0011] When the inner end of the transmission shaft is in the lower limb transmission sleeve, the transmission shaft drives the lower limb transmission sleeve to rotate, and when the inner end of the transmission shaft slides to the right into the upper limb transmission sleeve, the transmission shaft drives the upper limb transmission sleeve to rotate.

[0012] Further, the inner side of the end of the upper limb transmission sleeve and the lower limb transmission sleeve close to each other is provided with a plurality of key grooves, and the inner end of the transmission shaft is provided with a transmission key;

[0013] When the inner end of the transmission shaft is in the lower limb transmission sleeve, the transmission key of the transmission shaft cooperates with the key groove of the lower limb transmission sleeve, and when the inner end of the transmission shaft slides to the right into the upper limb transmission sleeve, the transmission key of the transmission shaft cooperates with the key groove of the upper limb transmission sleeve.

[0014] Further, a transmission piece is fixed on the transmission shaft, and the transmission piece is fixedly connected with a driving system, and the driving system drives the transmission shaft to rotate.

[0015] Further, a fixed support is further included, the fixed support is fixedly provided with a guide rod, the sliding block is axially provided with a sliding groove, and the guide rod cooperates with the sliding groove.

[0016] Further, the outer side of the lower limb transmission sleeve is fixedly provided with a lower limb driving wheel, the lower limb training mechanism includes a lower limb driven wheel, and the lower limb driving wheel and the lower limb driven wheel are driven through a synchronous belt; the outer side of the upper limb transmission sleeve is fixedly provided with an upper limb driving wheel, the upper limb training mechanism includes an upper limb driven wheel, and the upper limb driving wheel and the upper limb driven wheel are driven through a synchronous belt.

[0017] Further, the transmission gear is in meshing transmission with an incomplete gear, one side of the incomplete gear is provided with a detection piece, the back side of the incomplete gear is provided with a motor, the motor drives the incomplete gear to rotate, and one side of the incomplete gear is further provided with a sensor.

[0018] Compared with the prior art, the above technical scheme has the following advantages:

[0019] The transmission gear drives the spiral sleeve to rotate, the spiral sleeve is provided with a spiral guide groove, the spiral sleeve is provided with a sliding block, the circumferential side of the sliding block is radially inserted with a transmission pin, the transmission pin cooperates with the guide groove in transmission, the spiral sleeve drives the sliding block to move axially, so as to pull the transmission shaft to slide left and right in the upper limb transmission sleeve, when the inner end of the transmission shaft is in the lower limb transmission sleeve, the transmission shaft drives the lower limb transmission sleeve to rotate, and when the inner end of the transmission shaft slides to the right into the upper limb transmission sleeve, the transmission shaft drives the upper limb transmission sleeve to rotate, so that the upper limb and the lower limb are respectively and independently trained through a set of driving system, the structure is simplified, and the cost is reduced.

[0020] The utility model will be explained in detail in combination with the drawings and examples. DRAWINGS

[0021] Figure 1It is the internal structure schematic view of the rehabilitation machine;

[0022] Figure 2 It is the side view of Figure 1 ;

[0023] Figure 3 It is the schematic view of partial parts of the utility model;

[0024] Figure 4 It is the sectional view along A-A of Figure 3 ;

[0025] Figure 5 It is the structural schematic view of lower limb transmission sleeve;

[0026] Figure 6 It is the schematic view of partial parts of the utility model hiding transmission gear;

[0027] Figure 7 It is the schematic view of partial parts of the utility model hiding lower limb transmission sleeve;

[0028] Figure 8 It is the structural schematic view of spiral sleeve and sliding block.

[0029] In the drawing,

[0030] 1-upper limb training mechanism, 2-lower limb training mechanism, 3-lower limb driven wheel, 4-upper limb driven wheel, 5-upper limb driving wheel, 6-lower limb driving wheel, 7-upper limb transmission sleeve, 8-transmission gear, 9-lower limb transmission sleeve, 10-incomplete gear, 1001-detection sheet, 11-sensor, 12-transmission key, 13-spiral sleeve, 14-sliding block, 1401-sliding groove, 15-transmission pin, 16-transmission shaft, 17-key groove, 18-fixed support, 19-transmission sheet, 20-guide rod, 21-motor. DETAILED DESCRIPTION

[0031] In order to have more clear understanding on the technical features, objects and effects of the utility model, the specific implementation mode of the utility model will be explained by referring to the drawings.

[0032] As Figures 3-8 shown, the utility model provides a kind of rehabilitation machine clutch mechanism for realizing upper and lower limbs training separately, including coaxial upper limb transmission sleeve 7 and lower limb transmission sleeve 9 of setting, the upper limb transmission sleeve 7 drives upper limb training mechanism 1 to run, the lower limb transmission sleeve 9 drives lower limb training mechanism 2 to run;

[0033] Transmission shaft 16 is slidably arranged in lower limb transmission sleeve 9, and the end of transmission shaft 16 away from upper limb transmission sleeve 7 is rotatably installed with sliding block 14, and transmission shaft 16 is axially fixed relative to sliding block 14;

[0034] The transmission pin 15 is radially inserted into the circumferential side of the sliding block 14, and the outer side of the sliding block 14 is coaxially sleeved with the spiral sleeve 13, which is provided with a spiral guide groove, and the transmission pin 15 is in transmission cooperation with the guide groove;

[0035] The transmission gear 8 is fixedly installed on the outer side of the spiral sleeve 13, and when the transmission gear 8 rotates, the spiral sleeve 13 is driven to rotate, thereby driving the sliding block 14 to move axially, so as to pull the transmission shaft 16 to slide left and right in the upper limb transmission sleeve 7.

[0036] When the inner end of the transmission shaft 16 is in the lower limb transmission sleeve 9, the transmission shaft 16 drives the lower limb transmission sleeve 9 to rotate, and when the inner end of the transmission shaft 16 slides to the right to the upper limb transmission sleeve 7, the transmission shaft 16 drives the upper limb transmission sleeve 7 to rotate.

[0037] As Figure 5 , the inner side of the end, which is close to each other, of the upper limb transmission sleeve 7 and the lower limb transmission sleeve 9 is provided with a plurality of key grooves 17, and the inner end of the transmission shaft 16 is provided with a transmission key 12; when the inner end of the transmission shaft 16 is in the lower limb transmission sleeve 9, the transmission key 12 of the transmission shaft 16 cooperates with the key groove 17 of the lower limb transmission sleeve 9, and when the inner end of the transmission shaft 16 slides to the right to the upper limb transmission sleeve 7, the transmission key 12 of the transmission shaft 16 cooperates with the key groove 17 of the upper limb transmission sleeve 7.

[0038] The transmission shaft 16 is fixedly provided with a transmission piece 19, the transmission piece 19 is fixedly connected with a driving system (not shown in the figure), and the driving system drives the transmission shaft 16 to rotate.

[0039] The utility model also includes fixed support 18, fixed support 18 is fixedly installed with guide rod 20, the sliding block 14 is provided with sliding groove 1401 along the axial direction, guide rod 20 cooperates with sliding groove 1401, make the sliding block 14 only axial pull transmission shaft 16 left and right slide, but cannot rotate with transmission shaft 16.

[0040] As Figures 1-2 , the outer side of the lower limb transmission sleeve 9 is fixedly provided with a lower limb driving wheel 6, the lower limb training mechanism 2 includes a lower limb driven wheel 3, and the lower limb driving wheel 6 and the lower limb driven wheel 3 are driven by a synchronous belt; the outer side of the upper limb transmission sleeve 7 is fixedly provided with an upper limb driving wheel 5, and the upper limb training mechanism 1 includes an upper limb driven wheel 4, and the upper limb driving wheel 5 and the upper limb driven wheel 4 are driven by a synchronous belt.

[0041] The transmission gear 8 is in meshing transmission with the incomplete gear 10, one side of the incomplete gear 10 is provided with a detection piece 1001, the back side of the incomplete gear 10 is provided with a motor 21, the motor 21 drives the incomplete gear 10 to rotate, and the incomplete gear 10 is also provided with a sensor 11 on one side, and the sensor 11 judges the position of the transmission shaft 16 by detecting the position of the detection piece 1001.

[0042] The specific working principle of the utility model is:

[0043] The transmission shaft 16 is driven by the transmission piece 19, the incomplete gear 10 drives the transmission gear 8 to rotate when rotating, the transmission gear 8 drives the spiral sleeve 13 to rotate, the spiral sleeve 13 is equipped with spiral guide grooves, the spiral sleeve 13 is equipped with the sliding block 14, the circumferential side of the sliding block 14 is inserted with the transmission pin 15 along the radial direction, the transmission pin 15 is in transmission cooperation with the guide groove, the spiral sleeve 13 drives the sliding block 14 to move axially, thereby pulling the transmission shaft 16 to slide left and right in the upper limb transmission sleeve 7, when the inner end of the transmission shaft 16 is in the lower limb transmission sleeve 9, the transmission shaft 16 drives the lower limb transmission sleeve 9 to rotate, when the inner end of the transmission shaft 16 slides to the right to the upper limb transmission sleeve 7, the transmission shaft 16 drives the upper limb transmission sleeve 7 to rotate, thereby making the transmission shaft be able to drive the upper limb training mechanism 1 and the lower limb training mechanism 2 to run respectively, realizes the separate training of the upper limb and the lower limb by a set of driving system, simplifies the structure and reduces the cost.

[0044] The above is the example of the best implementation mode of the utility model, wherein the part not described in detail is the common knowledge of the ordinary skilled in the art. The protection scope of the utility model is accurate with the content of the claim, and any equivalent transformation based on the technical inspiration of the utility model is also within the protection scope of the utility model.

Claims

1. A clutch mechanism for a rehabilitation machine that enables separate training of the upper and lower limbs, characterized in that: The upper limb transmission sleeve (7) and the lower limb transmission sleeve (9) are coaxially arranged; A transmission shaft (16) is slidably arranged in the lower limb transmission sleeve (9), and a sliding block (14) is rotatably arranged at the end of the transmission shaft (16) away from the upper limb transmission sleeve (7); the transmission shaft (16) is axially fixed relative to the sliding block (14); A transmission pin (15) is radially inserted on the circumferential side of the sliding block (14); a spiral sleeve (13) is coaxially arranged on the outer side of the sliding block (14); the spiral sleeve (13) is provided with a spiral guide groove; the transmission pin (15) is in transmission cooperation with the guide groove; A transmission gear (8) is fixedly arranged on the outer side of the spiral sleeve (13); when the transmission gear (8) rotates, the spiral sleeve (13) is driven to rotate, thereby driving the sliding block (14) to axially move, and thereby driving the transmission shaft (16) to slide left and right in the upper limb transmission sleeve (7); When the inner end of the transmission shaft (16) is in the lower limb transmission sleeve (9), the transmission shaft (16) drives the lower limb transmission sleeve (9) to rotate; when the inner end of the transmission shaft (16) slides to the right in the upper limb transmission sleeve (7), the transmission shaft (16) drives the upper limb transmission sleeve (7) to rotate.

2. The clutch mechanism of the rehabilitation machine for realizing the separate training of upper and lower limbs according to claim 1, characterized in that: The inner side of the end of the upper limb transmission sleeve (7) and the lower limb transmission sleeve (9) close to each other is provided with a plurality of key grooves (17); the inner end of the transmission shaft (16) is provided with a transmission key (12); When the inner end of the transmission shaft (16) is in the lower limb transmission sleeve (9), the transmission key (12) of the transmission shaft (16) cooperates with the key groove (17) of the lower limb transmission sleeve (9); when the inner end of the transmission shaft (16) slides to the right in the upper limb transmission sleeve (7), the transmission key (12) of the transmission shaft (16) cooperates with the key groove (17) of the upper limb transmission sleeve (7).

3. The clutch mechanism of the rehabilitation machine for realizing the separate training of upper and lower limbs according to claim 1, characterized in that: A transmission piece (19) is fixedly arranged on the transmission shaft (16); the transmission piece (19) is fixedly connected with a driving system; the driving system drives the transmission shaft (16) to rotate.

4. The clutch mechanism of the rehabilitation machine for realizing the separate training of upper and lower limbs according to claim 1, characterized in that: A fixed support (18) is further arranged; a guide rod (20) is fixedly arranged on the fixed support (18); a sliding groove (1401) is axially arranged on the sliding block (14); the guide rod (20) cooperates with the sliding groove (1401).

5. The clutch mechanism of the rehabilitation machine for realizing the separate training of upper and lower limbs according to claim 1, characterized in that: A lower limb driving wheel (6) is fixedly arranged on the outer side of the lower limb transmission sleeve (9); the lower limb training mechanism (2) comprises a lower limb driven wheel (3); the lower limb driving wheel (6) and the lower limb driven wheel (3) are in transmission cooperation through a synchronous belt; an upper limb driving wheel (5) is fixedly arranged on the outer side of the upper limb transmission sleeve (7); the upper limb training mechanism (1) comprises an upper limb driven wheel (4); the upper limb driving wheel (5) and the upper limb driven wheel (4) are in transmission cooperation through a synchronous belt.

6. The clutch mechanism of the rehabilitation machine for realizing the separate training of upper and lower limbs according to claim 1, characterized in that: The transmission gear (8) is in meshing transmission cooperation with an incomplete gear (10); a detection piece (1001) is arranged on one side of the incomplete gear (10); a motor (21) is arranged on the back side of the incomplete gear (10); the motor (21) drives the incomplete gear (10) to rotate; a sensor (11) is further arranged on one side of the incomplete gear (10).