CN114146373A - Knee rehabilitation and training device - Google Patents
Knee rehabilitation and training device Download PDFInfo
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- CN114146373A CN114146373A CN202111552742.1A CN202111552742A CN114146373A CN 114146373 A CN114146373 A CN 114146373A CN 202111552742 A CN202111552742 A CN 202111552742A CN 114146373 A CN114146373 A CN 114146373A
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- 210000003141 lower extremity Anatomy 0.000 description 2
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- 235000015097 nutrients Nutrition 0.000 description 2
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- 230000035939 shock Effects 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 206010007710 Cartilage injury Diseases 0.000 description 1
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B23/00—Exercising apparatus specially adapted for particular parts of the body
- A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
- A63B23/04—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for lower limbs
- A63B23/0494—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for lower limbs primarily by articulating the knee joints
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Rehabilitation Tools (AREA)
Abstract
The invention discloses a knee rehabilitation and training device, which comprises a base, a bearing unit, a pulley unit and a power unit, wherein the bearing unit comprises a chair support frame arranged on the base and a seat arranged at the top of the chair support frame, the pulley unit comprises two knee pulleys which are arranged on the base, positioned in front of the chair support frame along a front-back direction and arranged at intervals along a side direction vertical to the front-back direction, the power unit comprises a servo motor and two side hook ropes which are connected with each other, can be driven by the servo motor and can be respectively hung on the knee pulleys, the servo motor can be switched between a traction mode and a vibration mode, the servo motor operates with substantially the same acting force in the traction mode, and the servo motor operates with the vibration force in a fixed vibration interval in the vibration mode.
Description
Technical Field
The invention relates to the field of knee rehabilitation and training devices, in particular to a knee rehabilitation and training device.
Background
Degenerative knee arthritis is a common disease, particularly in the elderly, characterized by damage to articular cartilage due to overuse or aging, the research shows that the repeated stretching and compression of the articular cartilage can increase nutrient entry and accelerate waste removal, and increase the cartilage repair rate.
Disclosure of Invention
The invention provides a knee rehabilitation and training device, which can enable a servo motor to operate between different modes through a bearing unit, a pulley unit and a power unit, so as to release pressure and vibrate the knee cartilage of a user to achieve the effect of rehabilitation, further improve the pain and the joint movement limitation symptoms of the knee arthritis and promote the repair of the knee cartilage, greatly reduce the manpower, and has simple structure and convenient use, thereby solving the defects caused by the prior art.
In order to solve the technical problems, the invention provides the following technical scheme:
it is an object of the present invention to provide a knee rehabilitation and training device that overcomes the disadvantages of the prior art.
Therefore, the knee rehabilitation and training device of the invention comprises a base, a bearing unit, a pulley unit, a power unit and a controller.
The bearing unit comprises a chair support frame arranged on the base and a seat arranged at the top of the chair support frame, the pulley unit comprises two knee pulleys arranged on the base, positioned in front of the chair support frame along a front-back direction and arranged at intervals along a side direction perpendicular to the front-back direction, the power unit comprises a servo motor and two side hook ropes which are connected with each other, driven by the servo motor and can be used for being respectively hung on the knee pulleys, the servo motor can be changed between a traction mode and a vibration mode, the servo motor operates with substantially the same acting force in the traction mode, and the servo motor operates with the vibration force in a fixed vibration interval in the vibration mode.
According to the technical scheme provided by the knee rehabilitation and training device, the knee rehabilitation and training device has the following technical effects:
the servo motor can operate between different modes through the arranged bearing unit, the pulley unit and the power unit so as to release pressure and vibrate the knee joint cartilage of a user to achieve the effect of rehabilitation, further improve the pain of the gonarthritis and the joint movement limitation symptom and promote the repair of the knee joint cartilage, and can greatly reduce the manpower, and the structure is simple and convenient to use.
Drawings
FIG. 1 is a schematic perspective view of a knee rehabilitation and training device according to the present invention;
FIG. 2 is a side view of a knee rehabilitation and training device of the present invention;
FIG. 3 is a schematic cross-sectional view taken along line III-III of FIG. 2;
FIG. 4 is a force application graph of the servo motor in vibration mode;
FIG. 5 is a force application graph of the servo motor in a traction mode;
FIG. 6 is a force application graph of the servo motor in a force variation mode;
FIG. 7 is a force graph of the servo motor in a hybrid mode;
FIG. 8 is a perspective view of the ankle pull type knee joint cartilage in a decompression shock rehabilitation state;
FIG. 9 is a side view of the ankle pull type knee joint cartilage in a state of use for pressure relief and concussion rehabilitation;
FIG. 10 is a schematic diagram of the stress on the knee joint during recovery from pressure release and concussion of the cartilage of the ankle pull type knee joint;
FIG. 11 is a side view of the recumbent knee joint in use with distraction rehabilitation;
FIG. 12 is a schematic view of the knee joint being stressed during the rehabilitation of lying-down type knee joint loosening traction;
FIG. 13 is a side view of use of prone knee joint distraction rehabilitation;
FIG. 14 is a schematic view of the knee joint being subjected to force during prone knee joint distraction rehabilitation;
FIG. 15 is a side view of a knee muscle strength training in use;
FIG. 16 is a side view of a prone knee muscle training configuration in use;
FIG. 17 is a perspective view of a use condition of low energy laser rehabilitation;
FIG. 18 is a side view of a use condition of low energy laser rehabilitation;
FIG. 19 is a perspective view of a leg pushing exercise in use;
FIG. 20 is a side view of a leg push exercise in use;
FIG. 21 is a view similar to FIG. 3, illustrating the embodiment in a state of leg opening and closing training;
fig. 22 is a perspective view of a leg opening and closing exercise in a use state, illustrating a state in which two supports are relatively closed;
FIG. 23 is a view similar to FIG. 22 illustrating the trays in a relatively remote position.
Wherein the reference numbers are as follows:
2: a base, 3: a bearing unit, 31: a chair support frame, 32: a seat, 321: a sitting part, 322: a backrest part, 4: a pulley unit, 41: a knee pulley, 42: a stepping pulley, 43: a swinging pulley, 5', 5: a stepping unit, 51: a pivoting part, 52: a swinging rod, 54: a stepping plate, 55: a fixing part, 56: a limiting block, 6: a knee supporting unit, 61: a knee support frame, 611: a bottom rod, 612: a top rod, 613: a linkage part, 614: a positioning disc, 615: an extending rod, 616: a connecting rod, 62: a support part, 7: an illumination unit, 71: a shell, 72: an emitting part, 8: a power unit, 81: a servo motor, 82: a side hook rope, 83: a central hook rope, 84: a controller, 91: an ankle sleeve, 92: a knee sleeve, X: a front-back direction, Y: a side direction, and Z: a top-bottom direction.
Detailed Description
In order to make the technical means, the inventive features, the objectives and the effects of the invention easily understood and appreciated, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the specific drawings, and it is obvious that the described embodiments are a part of the embodiments of the present invention, but not all of the embodiments.
All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention.
In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
The first embodiment of the present invention provides a knee rehabilitation and training device, which is to use a load-bearing unit, a pulley unit and a power unit to operate a servo motor between different modes, so as to release pressure and vibrate the knee cartilage of a user to achieve the rehabilitation effect, thereby improving the pain of gonarthritis and the limited joint movement symptoms and promoting the knee cartilage repair, and greatly reducing the manpower, and has a simple structure and convenient use.
Referring to fig. 1, 2 and 3, a first embodiment of a knee rehabilitation and training device according to the present invention comprises a base 2, a carrying unit 3, a pulley unit 4, a stepping unit 5, a knee supporting unit 6, an illuminating unit 7, a power unit 8, and a controller 84.
The carrying unit 3 includes a chair support 31 disposed on the base 2, and a seat 32 disposed on top of the chair support 31.
The seat 32 has a sitting portion 321 connected to the top of the seat supporting frame 31, and a backrest portion 322 connected to the rear side of the sitting portion 321 and capable of adjusting the tilt angle relative to the sitting portion 321.
The pulley unit 4 includes two knee pulleys 41 disposed on the base 2 and located in front of the chair support 31 along a front-rear direction X and spaced apart along a side direction Y perpendicular to the front-rear direction X, a stepping pulley 42 disposed on the base 2 and located in the middle of the knee pulleys 41, and a swinging pulley 43 disposed on the base 2 and located between the chair support 31 and the knee pulleys 41.
The stepping unit 5 includes a pivot 51 disposed on the base 2 and located in front of the stepping pulley 42, a swing rod 52 pivoted to the pivot 51 and extending upward to a height not lower than the seat 32 and being capable of swinging relative to the seat 32, a swinging buckle 53 disposed on the swing rod 52, a stepping plate 54 disposed on a side of the swing rod 52 opposite to the pivot 51, a fixing member 55 adjustably penetrating the pivot 51 and being capable of limiting the swing rod 52, and two limiting blocks 56 disposed on the base 2 and respectively disposed on opposite sides of the swing rod 52 along the front-back direction X to limit the swinging angle of the swing rod 52. In this embodiment, when the fixing member 55 penetrates the swing lever 52 to complete the fixing, the swing lever 52 is restricted by the fixing member 55 and cannot swing, and when the fixing member 55 does not penetrate the swing lever 52 and does not fix the swing lever 52, the swing lever 52 can swing under the influence of an external force, and the maximum range of the swing is restricted by the limit blocks 56 at the front and rear sides respectively and cannot fall.
The knee supporting unit 6 includes two knee supporting frames 61 disposed on the base 2 between the chair supporting frame 31 and the knee pulleys 41 and disposed at two sides of the swinging pulley 43 along the lateral direction Y at intervals, and two supporting members 62 disposed on the knee supporting frames 61 respectively.
Each knee support 61 has a bottom bar 611 pivoted to the base 2, a top bar 612 connected to the respective support 62 and pivoted downward to the bottom bar 611, and a linkage 613 connected to the top bar 612, wherein the linkage 613 of the knee supports 61 is linked with each other, and wherein a knee support 613 further has a positioning plate 614 connected to the bottom bar 611, an extension bar 615 connected to the top bar 612, and a connecting bar 616 disposed on the extension bar 615 and detachably connected downward to the positioning plate 614. In the present embodiment, the linking members 613 are toothed discs engaged with each other, but not limited thereto, when any one of the supporting members 62 is forced to rotate the corresponding top rod 612, the corresponding linking member 613 is driven to rotate, because the linking members 613 are linked with each other, the other supporting member 62 can also be linked to rotate in the opposite direction, and when the connecting rod 616 is located at the position of connecting the positioning plate 614 downwards, the connecting rod 616 and the positioning plate 614 can be further linked to rotate the bottom rods 611 relative to the base 2.
Each of the supporting members 62 is adjustable in position relative to the respective knee support 61 along a vertical direction Z perpendicular to the front-back direction X and the lateral direction Y, and is adjustable in position relative to the respective knee support 61 along a direction perpendicular to the vertical direction Z. In the present embodiment, the position of each of the supporting members 61 relative to the respective knee supporting frame 61 is adjusted by sliding the respective top rod 612 up and down, and sliding the supporting members horizontally by the cooperation of the sliding rails and the sliding blocks, but the present invention is not limited thereto.
The illumination unit 7 includes a housing 71 pivotally mounted on one side of the seat 32 along the lateral direction Y and capable of adjusting the position of the seat 32 along the front-back direction X, and a plurality of emitters 72 disposed on the housing 71 and capable of irradiating light toward the holders 62. In the present embodiment, the emitters 72 are low-energy lasers with a wavelength of 600nm to 1300 nm.
The power unit 8 comprises a servo motor 81 disposed behind the carrying unit 3, two side hooking ropes 82 connected and driven by the servo motor 81 and used for being respectively hung on the knee pulleys 41, a central hooking rope 83 connected and driven by the servo motor 8 and located between the side hooking ropes 82, and a controller 84 electrically connected with the servo motor 81 and the emitters 72. The central hook cord 83 is selectively hooked on the stepping pulley 42 and the swing fastening portion 53, and is also selectively hooked on the swing pulley 43 and the positioning plate 614. In the present embodiment, the side hooking ropes 82 and the central hooking rope 82 are used in different ways according to different use conditions.
The servo motor 81 is switchable between a vibration mode, a traction mode and an acting force variation mode, and the controller 84 stores a plurality of traction force parameters different from each other, a plurality of vibration force range parameters different from each other, and a plurality of rotational speed and torque parameters different from each other. The servo motor 81 is controllable by the controller 84 to switch between the traction mode, the vibration mode and the force variation mode.
Referring to fig. 1 and 4, in the vibration mode, the servo motor 81 operates with a vibration force in a fixed vibration interval within a specific rotation distance, and the servo motor 81 operates with a vibration force in a vibration interval corresponding to one of the vibration force range parameters within each specific rotation distance, as shown in fig. 4, a force application curve in the fixed vibration interval of two-stage specific rotation distances is shown, in the specific rotation distance on the left side of the drawing, a torsion force is first provided in the fixed vibration interval of the vibration force corresponding to a higher vibration force range parameter, that is, the overall torsion force is relatively higher and exhibits a torsion force curve of high and low oscillation, and in the specific rotation distance on the right side of the drawing, a torsion force is provided in the fixed vibration interval of the vibration force corresponding to a lower vibration force range parameter, that is, the overall torsion force is relatively lower and exhibits a torsion force curve of high and low oscillation.
Referring to fig. 1 and 5, in the traction mode, the servo motor 81 operates with substantially the same acting force within a specific rotation distance, and within each specific rotation distance, the servo motor 81 operates with substantially the acting force corresponding to one of the traction force parameters, as shown in fig. 5, the same acting force application curve of two-stage specific rotation distances is shown, in the specific rotation distance on the left side of the figure, the same acting force corresponding to the higher traction force parameter is first used to provide the torsion force, and in the specific rotation distance on the right side of the figure, the same acting force corresponding to the lower traction force parameter is used to provide the torsion force.
Referring to fig. 1 and 6, in the acting force variation mode, the servo motor 81 operates with varying acting force within a specific rotation distance, and within each specific rotation distance, the servo motor 81 operates with acting force corresponding to different traction parameters, i.e. a torque force application curve that decreases from small to large during a specific rotation distance is shown in fig. 6.
Referring to fig. 1 and 7, it should be noted that, in addition to the aforementioned three force application modes, the servo motor 81 can also operate in a mixed mode of mixing the three force application modes, as shown in fig. 7, the vibration mode, the traction mode and the force variation mode are mixed at the same time in a specific rotation distance on the left side of the figure, while only the traction mode is used on the right side of the figure, and the mixed mode is only illustrated and not limited herein.
When in use, the knee rehabilitation and training device can be used for ankle pull type knee joint cartilage pressure release oscillation rehabilitation, lying horizontal type knee joint loosening traction rehabilitation, lying prone type knee joint loosening traction rehabilitation, knee muscle strength training, lying prone type knee muscle strength training, low-energy laser rehabilitation, leg pushing training and leg opening and closing training.
Referring to fig. 8, 9 and 10, when the knee rehabilitation and training device is used for the ankle pull-type knee joint cartilage decompression shock rehabilitation, the lateral hook ropes 82 are respectively hung on the knee pulleys 41, a user sits on the seat 32, adjusts the support members 62 to be supported on the thighs of the user, and respectively hooks the lateral hook ropes 82 on the ankle sleeves 91, because the user sits on the seat 32 and the support members 62 are supported on the thighs of the user, the parts below the thighs of the user are not pressed by the whole body weight, the knee joint cartilage is in a primary suspension decompression state without being pressed by the body weight, and then the controller 84 controls the servo motor 81 to operate in the vibration mode, and generates a vibration force when pulling a specific rotation distance of the ankles of the user, and because the vibration force applied by the servo motor 81 passes through the lateral hook ropes 82, The ankle sleeves 91 are applied to the legs of the user, when high torque is applied in the fixed vibration zone, the high torque will pull the tibia downwards to further pull open the knee joint cartilage to generate a further suspended pressure release state, when low torque is applied in the fixed vibration zone, the tibia is subjected to the restoring force of the muscle to overcome the low torque and rebound to enable the knee joint cartilage to be extruded, so that the reciprocating vibration force can enable the knee to vibrate (see an arrow in fig. 10, which is the stress direction of the tibia when the high torque is applied, and the lower tibia is far away from the upper femur to generate a further suspended pressure release state), so that the knee joint cartilage of the user can be repeatedly stretched and compressed to generate the effects of increasing nutrient entering and accelerating waste removal, and cartilage repair is improved. Therefore, after a period of time, the symptoms of the gonarthritis can be improved, and the treatment mode of the prior art that the whole body weight of the patient stands on the vibration platform with high risk to further damage the cartilage is also improved.
Referring to fig. 11 and 12, when the knee rehabilitation and training device is used for the reclining-type knee joint loosening traction rehabilitation, the lateral hooking ropes 82 are respectively hung on the knee pulleys 41, the backrest 322 is adjusted to be approximately horizontal to the sitting part 321, the user lies on the seat 32, the supporting members 62 are adjusted to be supported on the lower leg of the user, the lateral hooking ropes 82 are respectively hooked on the two knee sleeves 92 of the knee joint, the controller 84 is controlled to control the servo motor 81 to operate in the vibration mode, as the vibration force applied by the servo motor 81 is applied to the knee of the user through the lateral hooking ropes 82 and the knee sleeves 92, the knee is loosened (see arrow in fig. 12 indicates that the tibia is in the force direction when the high torque force is applied to the knee, and the left tibia moves relative to the right femur to loosen the knee), the degree of knee joint flexion joint movement can be improved, and the generated vibration force can also help the user reduce pain, improve the joint fluid flow in the knee joint cavity and improve the lower limb proprioception ability, so that the symptoms of the gonarthritis can be improved after a period of time.
Referring to fig. 13 and 14, when the knee rehabilitation and training device is used for the prone knee joint loosening traction rehabilitation, the lateral hook ropes 82 are respectively hung on the knee pulleys 41, the backrest 322 is adjusted to be approximately horizontal to the seat 321, the supporting members 62 are adjusted to be supported on the lower legs of the user, the user lies on the seat 32, the lateral hook ropes 82 are respectively hooked on the knee sleeves 92 of the knee joints, the controller 84 is controlled to control the servo motor 81 to operate in the vibration mode, as the vibration force applied by the servo motor 81 is applied to the knee of the user through the lateral hook ropes 82 and the knee sleeves 92, the knee joints are loosened (see arrows in fig. 14 that the tibia is stressed in a high torsion, the left tibia moves relative to the right femur to loosen the knee), can improve the joint mobility of the extension action of the knee joint, and the generated vibration force can also help the user to reduce pain, improve the joint fluid flow in the knee joint cavity and improve the proprioception ability of the lower limb, thereby improving the symptoms of the gonarthritis after a period of time.
Referring to fig. 15, when the knee rehabilitation and training device is used for the knee muscle strength training, the side hook ropes 82 are respectively hung on the knee pulleys 41, the user sits on the seat 32, adjusts the supporting members 62 to support the thighs of the user, and hooks the side hook ropes 82 to the ankle sleeves 91 on the ankles respectively, then the controller 84 controls the servo motor 81 to operate in the traction mode, the vibration mode or the acting force variation mode, so that the user applies force to lift the lower leg forward, since the force applied by the servo motor 81 is applied to the legs of the user through the side hook ropes 82 and the ankle braces 91, therefore, the user must lift the lower leg against the force, so that the quadriceps femoris muscle groups of the upper leg and the knee can be exercised during the lifting process, the injury of the knee muscle joint can be prevented, and the symptoms of the gonarthritis can be improved.
Referring to fig. 16, when the knee rehabilitation and training device is used for the prone knee muscle training, the side hooking ropes 82 are respectively hung on the knee pulleys 41, the backrest 322 is adjusted to be approximately horizontal to the seat 321, the support members 62 are adjusted to be supported on the lower leg of the user, the user lies on the seat 32, the side hooking ropes 82 are respectively hooked on the ankle sleeves 91, the controller 84 is controlled to control the servo motor 81 to operate in the traction mode, the vibration mode or the acting force variation mode, the user applies force to hook the lower leg backward, the acting force applied by the servo motor 81 is applied to the user's legs through the side hooking ropes 82 and the ankle sleeves 91, so the user can hook the lower leg by overcoming the acting force, thereby training the muscle group behind the thigh and preventing the muscle joint injury of the leg during the lifting process, can improve symptoms of gonarthritis.
Referring to fig. 17 and 18, when the knee rehabilitation and training device is used for the low-energy laser rehabilitation, the user sits on the seat 32, adjusts the supporting members 62 to be supported on the thighs of the user, rotates the illumination unit 7 to cover the upper parts of the thighs, and then controls the controller 84 to control the emitting members 72 to emit low-energy laser to the knee joints of the user, so that the repair and healing of the cartilage and tissue injuries of the knee joints can be promoted, the healing effect of fractured bones can be promoted, the healing effect of injured nerves can be improved, the hematoma of trauma can be relieved, or the pain relieving effect can be provided, and the symptoms of the gonarthritis can be improved. And the low-energy laser rehabilitation can be applied with the ankle pull type knee joint cartilage pressure release oscillation rehabilitation, the prone type knee joint loosening traction rehabilitation or the lying horizontal type knee joint loosening traction rehabilitation function at the same time.
Referring to fig. 19 and 20, when the knee rehabilitation and training device is used for the leg pushing training, the central hook rope 83 is hung on the stepping pulley 42 and fastened to the swing fastening part 53, and the fixing part 55 is not fixed to the swing lever 52, at this time, the user sits on the seat 32, steps on the stepping pedal 54 with both feet, and then controls the controller 84 to control the servo motor 81 to operate in the vibration mode, the user applies force to both feet at this time to swing the stepping pedal 54, since the same vibration force applied by the servo motor 81 is transmitted to both feet of the user through the central hook rope 83, the swing fastening part 53, the swing lever 52 and the stepping pedal 54, the user must overcome the acting force to swing the stepping pedal 54 and the swing lever 52 back and forth (the maximum swing angle of the stepping units 5' and 5 ″ shown in fig. 20 is limited by the limit blocks 56), so that the muscles of the knee and the leg can be exercised in the process.
Referring to fig. 21, 22 and 23, when the knee rehabilitation and training device is used for the leg opening and closing training, the central cord 83 is hung on the swinging pulley 43 and fastened to the positioning plate 614, and the connecting rod 616 is connected to the positioning plate 614 downward from a position (see fig. 21) separated from the positioning plate 614, at this time, the user sits on the seat 32, adjusts to support the brackets 62 on the user's thighs, the user applies force to the thighs and both thighs at this time to swing the brackets 62 relatively, when the connecting rod 616 is connected to a position on the opposite front side of the positioning plate 614 (see fig. 22), the initial positions of the brackets 62 are relatively close to each other and can be used for exercising to open the thighs, and when the connecting rod 616 is connected to a position on the opposite rear side of the positioning plate 614 (see fig. 23), the initial positions of the brackets 62 are relatively far away from each other and can be used for exercising to clamp the thighs inward, then, the controller 84 controls the servo motor 81 to operate in the traction mode, the vibration mode or the acting force variation mode, and since the acting force applied by the servo motor 81 is transmitted through the central hook cord 83, the positioning plate 614, the connecting rod 616 and the extension rod 615, further transmitted to the push rod 612 and the support members 62, and finally transmitted to the user's thigh, the user must overcome the acting force to open and close the support members 62, so that the user can exercise the iliotibial muscle groups of the thigh and the knee and the medial and lateral muscle groups of the thigh and prevent the injury of the knee muscle joint, thereby improving the symptoms of the knee arthritis.
It should be noted that, in the above-mentioned training, the mode in which the controller 84 controls the operation of the servo motor 81 is only an example, and is not limited thereto, and various modes can be mixed to achieve the same effect.
Referring to fig. 1, 6 and 7, in addition, when the posture is changed by applying force to the human body, the force before reaching the final posture is gradually decreased from small to large, so that when the servo motor 81 operates in the force variation mode, the force can be changed from small to large and then decreased according to the force application condition of the human body, without applying excessive force, and the force can be maintained to be matched during the posture change process of the human body, thereby preventing injury during the training process.
In summary, by providing the bearing unit 3, the pulley unit 4, the stepping unit 5, the knee supporting unit 6, the illumination unit 7 and the power unit 8, the servo motor 81 can operate between different modes to release pressure and vibrate the knee cartilage of the user to achieve the effect of rehabilitation, thereby improving the pain of the knee arthritis and the limited joint movement symptoms and promoting the repair of the knee cartilage, and greatly reducing the manpower, so the purpose of the present invention can be achieved.
In summary, the knee rehabilitation and training device of the present invention can operate the servo motor between different modes through the arranged bearing unit, the pulley unit and the power unit to release pressure and vibrate the knee cartilage of the user to achieve the effect of rehabilitation, thereby improving the pain of the knee arthritis and the limited joint movement symptoms and promoting the repair of the knee cartilage, and can greatly reduce the manpower, and has a simple structure and convenient use.
Specific embodiments of the invention have been described above. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; various changes or modifications may be made by one skilled in the art within the scope of the claims without departing from the spirit of the invention, and without affecting the spirit of the invention.
Claims (9)
1. A knee rehabilitation and training device, comprising:
a base;
the bearing unit comprises a chair support frame arranged on the base and a seat arranged at the top of the chair support frame;
the pulley unit comprises two knee pulleys which are arranged on the base, positioned in front of the chair support frame along the front-back direction and arranged at intervals along the lateral direction vertical to the front-back direction;
a power unit, includes a servo motor, and two connect and can be driven by this servo motor and can be used to hang respectively and locate two the side of knee pulley colludes the rope, servo motor can alternate between traction mode and vibration mode, in during traction mode, servo motor operates with the same effort of essence, in during vibration mode, servo motor operates with the vibrational force of fixed vibration interval
And the controller is in control connection with the servo motor.
2. The knee rehabilitation and training device according to claim 1, further comprising a stepping unit, the pulley unit also comprises a trampling pulley which is arranged on the base and positioned between the two knee pulleys, the treading unit comprises a pivoting piece arranged on the base and positioned in front of the treading pulley, a swinging rod which is arranged on the pivoting piece, extends upwards, is not lower than the seat and can swing relative to the seat, a swinging buckling part arranged on the swinging rod, a treading plate arranged at one end of the swinging rod departing from the pivoting piece, and a fixing piece which is adjustably arranged on the pivoting piece in a penetrating way and used for limiting the swinging rod, the power unit also comprises a central hook rope which is connected and can be driven by the servo motor and is positioned between the two side hook ropes, the central hook rope can be used for being hung on the treading pulley and hooked on the swinging buckling part.
3. The knee rehabilitation and training device according to claim 2, wherein the stepping unit further comprises two stoppers disposed on the base and respectively disposed on opposite sides of the swing lever in the front-rear direction to limit the swing angle of the swing lever.
4. A knee rehabilitation and training device according to claim 1, further comprising a knee brace unit, said knee brace unit comprising two knee braces disposed on said base and between said chair brace and said two knee pulleys and spaced apart in the lateral direction, and two brackets disposed on said two knee braces, respectively;
the pulley unit also comprises a swinging pulley which is arranged on the base and positioned between the two knee supporting frames, each knee supporting frame is provided with a bottom rod pivoted on the base, a top rod connected with the support piece and pivoted on the bottom rod downwards, and a linkage piece connected with the top rod, the knee supporting frames are mutually linked with the linkage piece, one of the knee supporting frames is also provided with a positioning disk connected with the bottom rod, an extension rod connected with the top rod, and a connecting rod which is arranged on the extension rod and is used for being detachably connected with the positioning disk downwards;
the power unit also comprises a central hook rope which is connected and driven by the servo motor and is positioned between the two side hook ropes, and the central hook rope can be used for being hung on the swing pulley and hooked on the positioning disc.
5. A knee rehabilitation and training device according to claim 1, wherein said seat has a sitting portion connected to the top of said seat support frame, and a backrest portion connected to the rear side of said sitting portion, said backrest portion being adjustable in inclination with respect to said sitting portion.
6. A knee rehabilitation and training device according to claim 1, further comprising an illumination unit including a housing pivotally mounted to one side of the seat in the lateral direction in a manner swingable relative to the seat, and a plurality of emitters provided in the housing for irradiating light toward the holders,
the housing is adjustable in position relative to the seat in the fore-and-aft direction.
7. A knee rehabilitation and training device according to claim 1, wherein said controller stores a plurality of traction force parameters different from each other and a plurality of vibration force range parameters different from each other, said servo motor being controllable by said controller to switch between said traction mode in which said servo motor operates with an acting force substantially corresponding to one of said traction force parameters and said vibration mode in which said servo motor operates with a vibration force corresponding to a vibration range of one of said vibration force range parameters.
8. A knee rehabilitation and training device according to claim 1, wherein said servo-motor is capable of switching to an effort variation mode in which said servo-motor operates with varying torque.
9. A knee rehabilitation and training device according to claim 1, wherein said controller stores a plurality of traction force parameters different from each other, a plurality of vibration force range parameters different from each other, and a plurality of rotation speed torque parameters different from each other, the servo motor can be controlled by the controller to change among the traction mode, the vibration mode and the acting force change mode, the servo motor operates with an applied force substantially corresponding to one of the traction force parameters and, in the vibration mode, the servo motor operates with a vibration force in a vibration region corresponding to one of the vibration force range parameters, the servo motor operates with varying forces over a specified rotational distance, and within each specified rotational distance, the servo motor operates substantially with forces corresponding to different traction parameters.
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|---|---|---|---|
| CN202111552742.1A CN114146373A (en) | 2021-12-17 | 2021-12-17 | Knee rehabilitation and training device |
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| CN202111552742.1A CN114146373A (en) | 2021-12-17 | 2021-12-17 | Knee rehabilitation and training device |
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Application publication date: 20220308 |