CN111228101A

CN111228101A - Knee joint rehabilitation physiotherapy device

Info

Publication number: CN111228101A
Application number: CN202010212116.7A
Authority: CN
Inventors: 汪金容
Original assignee: Jinyunduhua Medical Technology Co Ltd
Current assignee: Jinyunduhua Medical Technology Co Ltd; Jinyun Duhua Medical Technology Co Ltd
Priority date: 2020-03-24
Filing date: 2020-03-24
Publication date: 2020-06-05

Abstract

The invention discloses a knee joint rehabilitation physiotherapy device, which comprises two knee protection straps which are arranged in an up-down symmetrical manner, wherein two knee protection devices which are symmetrical left and right are arranged on the knee protection straps, the knee protection devices are used for providing supporting force for knees so as to protect the knees, auxiliary motion devices are arranged on the knee protection devices, the auxiliary motion devices help the wearer to perform knee bending motion by providing auxiliary rotating motion, a muscle training device is arranged in a power cavity and is used for providing damping for muscles at the knee joint of the wearer during training, a heating massage device for performing vibration massage on the knee joint of the wearer is arranged in the power cavity, the wearer can adjust the supporting force of the auxiliary motion devices on the knee joint, so that the supporting force on the knee joint is reduced along with the recovery of the knee joint of the wearer, and the atrophy of the knee joint muscles is effectively reduced, therefore, the knee pad can avoid the problem of the reduction of the knee joint stability caused by wearing the knee pad for a long time.

Description

Knee joint rehabilitation physiotherapy device

Technical Field

The invention relates to the technical field of knee joint rehabilitation, in particular to a knee joint rehabilitation physiotherapy device.

Background

The knee joint is composed of the lower end of a femur, the upper end of a tibia and a patella, is the most complicated joint of a human body, belongs to a pulley joint, is easy to be injured in movement, and is easy to suffer from rheumatic arthritis, so a corresponding rehabilitation physiotherapy device is needed to help a patient with knee joint pathological changes to carry out rehabilitation physiotherapy.

Disclosure of Invention

The technical problem is as follows: the knee pad at present provides the holding power that protects the knee joint and is invariable for easy muscular atrophy of the wearer's knee joint makes the knee joint stability can be reduced to wear the knee pad for a long time.

In order to solve the problems, the knee joint rehabilitation physiotherapy device comprises two knee protection straps which are arranged in an up-down symmetrical mode, two knee protection devices which are arranged in a bilateral symmetrical mode are arranged on the knee protection straps, the knee protection devices are used for providing supporting force for knees so as to protect the knees, each knee protection device comprises a supporting rod which is fixedly connected to the left end face or the right end face of the upper knee protection strap, a power box which is arranged between the two knee protection straps is fixedly connected to the supporting rod, a power cavity is arranged in the power box, a motor shaft is rotatably connected to the inner wall of the power cavity, which is far away from one side of the knee protection straps, a motor which is fixedly connected to the inner wall of the power cavity, which is far away from one side of the knee protection straps, is in power connection with the motor shaft, and a, the motor shaft is fixedly connected with a rotary table which is positioned at one side of the main gear, which is close to the kneecap bandage, the kneecap device is provided with an auxiliary motion device, the auxiliary motion device helps a wearer to perform knee bending motion by providing auxiliary rotation motion, the auxiliary motion device comprises a rotary rod which is fixedly connected with the lower side end surface of the rotary table, the rotary rod extends downwards to the outside of the end surface of the power cavity, the lower side end surface of the power box is fixedly connected with an auxiliary support plate, the auxiliary support plate is positioned at one side of the rotary rod, which is close to the kneecap bandage, the end surface of the auxiliary support plate, which is far away from the kneecap bandage, is rotatably connected with a rotary shaft which extends rightwards, the rotary shaft is fixedly connected with a sector block, the sector block is provided with, the muscle training device is used for providing damping for muscles at the knee joint of a wearer during training, and the heating massage device used for performing vibration massage on the knee joint of the wearer is arranged in the power cavity.

Preferably, a secondary spline cavity with an opening facing to one side close to the kneepad bandage is arranged in the rotary table, a spline wheel capable of being located in the secondary spline cavity is connected to a flat key on the motor shaft and can be in spline connection with the secondary spline cavity, a support plate located on one side close to the kneepad bandage of the rotary table is fixedly connected to the inner wall of the lower side of the power cavity, a transmission shaft extending leftwards and rightwards is rotatably connected to the support plate, a bevel gear located on one side close to the kneepad bandage of the support plate is fixedly connected to the transmission shaft, a rotary drum located on one side far away from the kneepad bandage of the support plate is fixedly connected to the transmission shaft, a spline cavity with an opening facing to one side far away from the kneepad bandage is arranged in the rotary drum and can be in spline connection with the spline wheel, a spring is connected between the electromagnet and the spline wheel, a lithium battery is fixedly connected to the end face of one side, away from the knee protecting bandage, of the power box, and the lithium battery is electrically connected with the motor.

Preferably, the rotating rod extends downwards into the fan-shaped cavity, the rotating rod can abut against the inner wall of the front side or the rear side of the fan-shaped cavity, the end surface of the rotating rod, which is far away from one side of the kneepad bandage, is fixedly connected with a trigger block positioned in the fan-shaped cavity, the inner wall of the fan-shaped cavity, which is far away from one side of the kneepad bandage, is fixedly connected with a position switch, the end surfaces of the front side and the rear side of the fan-shaped cavity are respectively provided with a contact switch with an opening facing to the side close to the rotating rod, the two contact switches are symmetrical front and back, the inner wall of the contact switch, which is far away from one side of the rotating rod, is fixedly connected with an auxiliary contact switch, a sliding block is connected in the auxiliary sliding hole in a sliding manner, the sliding block is fixedly connected with the contact switch, which is close to the end surface of, fixedly connected with dead lever on the contact switch downside terminal surface, the dead lever with sector chamber is kept away from be connected with vice compression spring between the inner wall of bull stick one side, sector block is kept away from sliding connection has the lifter plate on kneecap bandage one side terminal surface, the lifter plate can only along sector block reciprocates, lifter plate and downside fixedly connected with fixed block between the kneecap bandage, just the fixed block is located the sector block downside, fixedly connected with downwardly extending's lead screw on the sector block downside terminal surface, just the lead screw can run through the fixed block, threaded connection has and is located on the lead screw the nut of fixed block upside, the nut with be connected with compression spring between the fixed block.

Preferably, the muscle training device comprises a damping box fixedly connected to the inner wall of the power cavity on one side far away from the knee-pad bandage, the damping box is positioned on the upper side of the motor, a damping cavity is arranged in the damping box, a through hole which is through from left to right is arranged on the inner wall of the damping cavity on one side far away from the knee-pad bandage, a push rod which extends from left to right is connected on the through hole in a sliding manner, a cylindrical permanent magnet which is positioned in the damping cavity is fixedly connected on the push rod, the opening of the cylindrical permanent magnet faces left, five pin holes which are through up and down are distributed on the push rod from left to right in an array manner, a push plate which is positioned on one side far away from the knee-pad bandage is fixedly connected on the right end face of the push rod, an auxiliary fixing block is fixedly, the sliding hole is internally and slidably connected with a limit pin extending up and down, the limit pin can extend into the pin hole, thereby limiting the push rod to move left and right, the limit pin is fixedly connected with a pin hole positioned at the upper side of the auxiliary fixed block, the pin hole can be abutted against the upper end face of the auxiliary fixing block, the inner wall of the upper side of the power cavity is fixedly connected with a fixing plate positioned on one side of the damping box close to the knee protecting strap, the fixed plate is rotatably connected with an auxiliary rotating shaft extending left and right, the auxiliary rotating shaft is fixedly connected with a gear positioned on the left side of the fixed plate, the gear is meshed with the main gear, the auxiliary rotating shaft extends into the damping cavity towards one side far away from the kneepad strap, fixedly connected with is located on the counter shaft the coil of damping intracavity, the coil with lithium cell electric connection, the coil can be located in the cylindric permanent magnet.

Preferably, the heating and massaging device comprises a gear shaft rotatably connected to the inner wall of the lower side of the power cavity, the gear shaft extends upwards, the gear shaft is positioned at one side of the knee protection bandage close to the bevel gear, a secondary bevel gear meshed with the bevel gear is fixedly connected to the gear shaft, an eccentric rotating wheel positioned at the upper side of the secondary bevel gear is fixedly connected to the gear shaft, a limit switch is fixedly connected to the end surface of the upper side of the eccentric rotating wheel, a secondary fixing plate positioned at one side of the fixing plate close to the knee protection bandage is fixedly connected to the inner wall of the upper side of the power cavity, a positioning rod is fixedly connected to the end surface of one side of the knee protection bandage close to the secondary fixing plate, the positioning rod can be abutted against the limit switch, a left-right through sliding groove is arranged on the inner, the massage plate is always abutted against the eccentric rotating wheel, the massage plate is provided with a heater, and a vibration spring is connected between the massage plate and the auxiliary fixing plate.

The invention has the beneficial effects that: the knee protection device of the invention is internally provided with an auxiliary motion device which can assist a wearer in performing knee bending motion, namely, the auxiliary exercise device helps the wearer to do exercises such as standing and walking, thereby accelerating the recovery of the knee joint of the wearer, the wearer can adjust the supporting force of the auxiliary exercise device on the knee joint, thereby reducing the supporting force to the knee joint along with the recovery of the knee joint of the wearer, effectively reducing the atrophy of the knee joint muscle, helping the wearer to carry out the strength training of the knee joint by providing the rotary damping, therefore, the knee joint muscle atrophy caused by long-term wearing is avoided, the problem of knee joint stability reduction caused by long-term wearing of the knee pad is avoided, the heating massage device can carry out heating and massage force physical therapy on the knee joint, and symptoms such as knee joint rheumatism and the like are relieved.

Drawings

For ease of illustration, the invention is described in detail by the following specific examples and figures.

FIG. 1 is a schematic view of the entire structure of a knee joint rehabilitation physiotherapy device of the present invention;

FIG. 2 is an enlarged view of the structure at "A" in FIG. 1;

FIG. 3 is an enlarged view of the structure at "B" of FIG. 2;

FIG. 4 is a schematic view of the structure in the direction "C-C" of FIG. 2;

FIG. 5 is an enlarged view of the structure at "D" of FIG. 2;

FIG. 6 is an enlarged view of the structure at "E" of FIG. 5;

fig. 7 is an enlarged view of the structure at "F" of fig. 5.

Detailed Description

The invention will now be described in detail with reference to fig. 1 to 7, for the sake of convenience of description, the following orientations are now defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to a knee joint rehabilitation physiotherapy device, which is mainly applied to knee joint rehabilitation, and the invention is further explained by combining the attached drawings of the invention:

the invention relates to a knee-joint rehabilitation physiotherapy device, which comprises two knee-protecting straps 11 which are arranged in an up-and-down symmetrical manner, wherein two knee-protecting devices 101 which are arranged in an eudipleural manner are arranged on the knee-protecting straps 11, the knee-protecting devices 101 are used for providing supporting force for knees so as to protect the knees, each knee-protecting device 101 comprises a supporting rod 25 which is fixedly connected to the left end surface or the right end surface of the upper knee-protecting strap 11, a power box 20 which is positioned between the two knee-protecting straps 11 is fixedly connected to the supporting rod 25, a power cavity 21 is arranged in the power box 20, a motor shaft 42 is rotatably connected to the inner wall of the power cavity 21 on the side far away from the knee-protecting strap 11, a motor 23 which is fixedly connected to the inner wall of the power cavity 21 on the side far away, a rotating disc 28 is fixedly connected to the motor shaft 42, the rotating disc 28 is located on the side of the main gear 43 close to the knee protecting strap 11, an auxiliary exercise device 102 is arranged on the knee protecting device 101, the auxiliary exercise device 102 helps the wearer to perform knee bending exercise by providing auxiliary rotating exercise, the auxiliary exercise device 102 comprises a rotating rod 18 fixedly connected to the lower side end face of the rotating disc 28, the rotating rod 18 extends downwards to the outside of the end face of the power cavity 21, an auxiliary support plate 37 is fixedly connected to the lower side end face of the power box 20, the auxiliary support plate 37 is located on the side of the rotating rod 18 close to the knee protecting strap 11, a rotating shaft 19 extending rightwards is rotatably connected to the end face of the auxiliary support plate 37 far away from the knee protecting strap 11, a sector block 16 is fixedly connected to the rotating shaft 19, and a sector cavity 17 with an upward opening is arranged in the sector block 16, the power cavity 21 is internally provided with a muscle training device 103, the muscle training device 103 is used for providing damping for training muscles at the knee joint of a wearer, and the power cavity 21 is internally provided with a heating massage device 104 for performing vibration massage on the knee joint of the wearer.

Advantageously, a secondary spline cavity 60 with an opening facing to the side close to the knee protecting strap 11 is arranged in the rotating disc 28, a spline wheel 61 capable of being located in the secondary spline cavity 60 is connected to the motor shaft 42 in a flat key manner, the spline wheel 61 is capable of being in spline connection with the secondary spline cavity 60, a support plate 36 located on the side close to the knee protecting strap 11 of the rotating disc 28 is fixedly connected to the inner wall of the lower side of the power cavity 21, a transmission shaft 53 extending left and right is rotatably connected to the support plate 36, a bevel gear 34 located on the side close to the knee protecting strap 11 of the support plate 36 is fixedly connected to the transmission shaft 53, a rotating drum 55 located on the side far away from the knee protecting strap 11 of the support plate 36 is fixedly connected to the transmission shaft 53, a spline cavity 57 with an opening facing to the side far away from the knee protecting strap 11 is arranged in the rotating drum 55, an electromagnet 56 is fixedly connected to the inner wall of the spline cavity 57 close to the knee protecting strap 11, a spring 58 is connected between the electromagnet 56 and the spline wheel 61, a lithium battery 22 is fixedly connected to the end face of the power box 20 far away from the knee protecting strap 11, the lithium battery 22 is electrically connected with the motor 23, and the motor 23 drives the motor shaft 42 to rotate, so that the rotating rod 18 can be driven to rotate, and auxiliary power can be provided for the rotation of the knee joint.

Advantageously, the rotating rod 18 extends downwards into the sector cavity 17, and the rotating rod 18 can abut against the inner wall of the front side or the rear side of the sector cavity 17, the end surface of the rotating rod 18 on the side away from the kneepad strap 11 is fixedly connected with the trigger block 38 positioned in the sector cavity 17, the inner wall of the sector cavity 17 on the side away from the kneepad strap 11 is fixedly connected with the position switch 39, the end surfaces of the front side and the rear side of the sector cavity 17 are respectively provided with a contact switch 41 with an opening facing to the side close to the rotating rod 18, the two contact switches 41 are symmetrical front and back, the inner wall of the contact switch 41 on the side away from the rotating rod 18 is fixedly connected with the secondary contact switch 72, the sliding block 68 is slidably connected in the secondary sliding hole 69, the contact switch 41 is fixedly connected on the end surface of the sliding block 68 on the side close to the rotating rod 18, and the rotating rod 18 can trigger the, the contact switch 41, the position switch 39 and the auxiliary contact switch 72 are all electrically connected with the lithium battery 22, a fixed rod 70 is fixedly connected on the lower side end face of the contact switch 41, an auxiliary compression spring 71 is connected between the fixed rod 70 and the inner wall of the sector cavity 17 far away from the rotating rod 18, a lifting plate 15 is slidably connected on the end face of the sector 16 far away from the knee-pad binding band 11, the lifting plate 15 can only move up and down along the sector 16, a fixed block 12 is fixedly connected between the lifting plate 15 and the knee-pad binding band 11 on the lower side, the fixed block 12 is positioned on the lower side of the sector 16, a downwardly extending screw rod 13 is fixedly connected on the lower side end face of the sector 16, the screw rod 13 can penetrate through the fixed block 12, and a nut 40 positioned on the upper side of the fixed block 12 is in threaded connection on the screw rod 13, a compression spring 14 is connected between the nut 40 and the fixed block 12, the rotating rod 18 can abut against the contact switch 41 and drive the sector 16 to rotate through the auxiliary compression spring 71, when the rotating rod 18 and the calf of the wearer rotate in the same direction, that is, when the rotating rod 18 and the sector 16 rotate in the same direction, the rotating rod 18 can help the wearer to bend the knee joint, at this time, the relative angular velocity between the rotating rod 18 and the sector 16 is small, so that the sliding block 68 cannot be triggered by the rotating rod 18, when the wearer rotates the calf reversely or stops rotating the calf, that is, when the rotating rod 18 and the sector 16 rotate in opposite directions or the sector 16 stops, the relative angular velocity between the rotating rod 18 and the sector 16 is large at this time, so that the contact switch 41 can drive the sliding block 68 to trigger the auxiliary contact switch 72, thereby reversely rotating the rotating rod 18, reversely rotating the trigger block 38 to the position switch 39, and then stopping the rotating rod 18, thereby realizing the effect of assisting the wearer in performing the knee joint bending movement.

Beneficially, the muscle training device 103 comprises a damping box 24 fixedly connected to the inner wall of the power cavity 21 on the side far away from the knee protection strap 11, the damping box 24 is located on the upper side of the motor 23, a damping cavity 46 is arranged in the damping box 24, a through hole 52 running through from left to right is arranged on the inner wall of the damping cavity 46 on the side far away from the knee protection strap 11, a push rod 67 extending from left to right is slidably connected to the through hole 52, a cylindrical permanent magnet 45 located in the damping cavity 46 is fixedly connected to the push rod 67, the opening of the cylindrical permanent magnet 45 faces left, five pin holes 66 running through from left to right are distributed on the push rod 67 in an array manner, a push plate 44 located on the side far away from the knee protection strap 11 of the damping box 24 is fixedly connected to the right end face of the push rod 67, and an auxiliary fixing block 65 is fixedly connected to, a vertically through sliding hole 64 is arranged in the auxiliary fixing block 65, a vertically extending limiting pin 62 is slidably connected in the sliding hole 64, the limiting pin 62 can extend into the pin hole 66, so as to limit the push rod 67 to move left and right, the limiting pin 62 is fixedly connected with a pin hole 66 positioned on the upper side of the auxiliary fixing block 65, the pin hole 66 can be abutted against the upper end face of the auxiliary fixing block 65, the inner wall of the upper side of the power cavity 21 is fixedly connected with a fixing plate 26 positioned on one side of the damping box 24 close to the knee protecting bandage 11, a horizontally extending auxiliary rotating shaft 48 is rotatably connected on the fixing plate 26, a gear 27 positioned on the left side of the fixing plate 26 is fixedly connected on the auxiliary rotating shaft 48, the gear 27 is engaged with the main gear 43, and the auxiliary rotating shaft 48 extends into the damping cavity 46 towards the side far away from the knee protecting, fixedly connected with is located on the counter shaft 48 coil 47 in damping chamber 46, coil 47 with lithium cell 22 electric connection, coil 47 can be located in cylindric permanent magnet 45, the manual promotion push pedal 44 push rod 67 cylindric permanent magnet 45 can change coil 47 is located the length in cylindric permanent magnet 45 to change coil 47 counter shaft 48 the damping when gear 27 rotates.

Advantageously, the heating and massaging device 104 comprises a gear shaft 35 rotatably connected to the inner wall of the lower side of the power chamber 21, the gear shaft 35 extends upward, the gear shaft 35 is located on the side of the bevel gear 34 close to the knee brace 11, a secondary bevel gear 51 meshed with the bevel gear 34 is fixedly connected to the gear shaft 35, an eccentric rotating wheel 31 located on the upper side of the secondary bevel gear 51 is fixedly connected to the gear shaft 35, a limit switch 50 is fixedly connected to the upper side end surface of the eccentric rotating wheel 31, a secondary fixing plate 29 located on the side of the fixing plate 26 close to the knee brace 11 is fixedly connected to the inner wall of the upper side of the power chamber 21, a positioning rod 49 is fixedly connected to the end surface of the side of the knee brace 11 close to the knee brace 11, the positioning rod 49 can abut against the limit switch 50, and a left-right through sliding groove 59 is formed on the, the sliding chute 59 is connected with a massage plate 33 in a sliding manner, the massage plate 33 is always abutted against the eccentric rotating wheel 31, the massage plate 33 is provided with a heater 32, a vibration spring 30 is connected between the massage plate 33 and the auxiliary fixing plate 29, and the massage plate 33 can be driven to move left and right through the rotation of the eccentric rotating wheel 31 and under the action of the vibration spring 30 to realize vibration massage.

The following detailed description of the steps of the knee joint rehabilitation physiotherapy device in this document with reference to fig. 1 to 7:

initial state: the limit switch 50 is abutted against the positioning rod 49, the massage plate 33 is positioned at the limit position on the side far away from the knee protection strap 11, so that the massage plate 33 is not in contact with the knee of a wearer, the electromagnet 56 is not electrified, the spline wheel 61 is positioned in the auxiliary spline cavity 60 under the action of the spring 58, the auxiliary spline cavity 60 is in spline connection with the spline wheel 61, the cylindrical permanent magnet 45 is positioned at the limit position on the side far away from the knee protection strap 11, so that the coil 47 is not positioned in the cylindrical permanent magnet 45, the limit pin 62 extends into the pin hole 66 closest to the side of the knee protection strap 11, and the rotating rod 18 is positioned at the middle position of the sector cavity 17, so that the trigger block 38 is.

A wearer respectively ties the two knee protection straps 11 on legs, the upper knee protection strap 11 is tied on thighs, the lower knee protection strap 11 is tied on calves, the lower knee protection strap 11 is tied on the calves, the fixing block 12, the lifting plate 15 and the calves do not move relatively, the nut 40 is enabled to move up and down along the screw rod 13 through threaded connection through manual rotation of the nut 40, the compression amount of the compression spring 14 can be adjusted, the compression spring 14 can generate different elastic forces on the fixing block 12 and the sector block 16, namely the compression spring 14 can apply elastic force far away from the knee joints to the thighs and the calves through the two knee protection straps 11, and accordingly pressure required to be born by the knee joints when the wearer stands is reduced, namely the supporting force of the compression spring 14 on the knee joints can be adjusted through rotation of the nut 40.

When the wearer needs to be assisted in bending the knee joint, if the wearer rotates the lower leg backwards, the lower leg drives the sector 16 to rotate backwards through the knee protecting strap 11 on the lower side, the fixed block 12, the screw rod 13 and the lifting plate 15, the rotating rod 18 is in a static state, the sector 16 rotates backwards relative to the rotating rod 18, so that the rotating rod 18 is abutted with the contact switch 41 on the front side, the contact switch 41 is triggered and pushes the contact switch 41 on the front side and the slide block 68 on the front side to move forwards, the slide block 68 on the front side triggers the auxiliary contact switch 72 on the front side, then the motor 23 is started, the motor 23 drives the motor shaft 42 to rotate, the motor shaft 42 rotates through the flat key connecting belt to drive the spline wheel 61, the spline wheel 61 rotates through the spline connecting belt to drive the rotating disk 28 and the rotating rod 18 to rotate, the rotating rod 18 rotates backwards, and the rotating rod 18 rotates backwards at a rotating speed greater than the rotating speed of the sector 16, so that the rotating, and triggers the contact switch 41, the rotating rod 18 pushes the slide block 68 at the rear side and the fixed rod 70 at the rear side to rotate backwards, and the fixed rod 70 at the rear side and the auxiliary compression spring 71 at the rear side drive the sector 16 to rotate backwards, so as to assist the wearer in bending the knee joint, because the rotating rod 18 and the sector 16 both rotate backwards, the relative angular velocity between the rotating rod 18 and the sector 16 is smaller, so that the slide block 68 at the rear side cannot trigger the auxiliary contact switch 72 at the rear side,

when the wearer stops rotating the lower leg backwards, the sector 16 stops rotating, so that the relative angular speed between the rotating rod 18 and the sector 16 is increased, the rotating rod 18 can push the slide block 68 at the rear side to trigger the auxiliary contact switch 72 at the rear side, the motor 23 is reversed, the rotating rod 18 rotates forwards to the trigger block 38 to trigger the position switch 39, then the motor 23 stops rotating, so that the motion for assisting the wearer to rotate the lower leg backwards is realized, and when the wearer rotates forwards, the motion in the direction opposite to the motion for assisting the wearer to rotate the lower leg backwards is performed, so that the wearer is assisted to perform the knee joint bending motion.

When massage therapy is needed to be performed on the knee joint, the electromagnet 56 is electrified to absorb the spline wheel 61, so that the spline wheel 61 is separated from the contact with the auxiliary spline cavity 60, the auxiliary spline cavity 60 is in spline connection with the spline cavity 57, the motor 23 rotates, the motor 23 drives the motor shaft 42 to rotate, the motor shaft 42 drives the spline wheel 61 to rotate through flat key connection, the spline wheel 61 drives the rotary drum 55 and the transmission shaft 53 to rotate through spline connection with the spline cavity 57, the transmission shaft 53 is connected with the movable gear shaft 35 and the eccentric rotary wheel 31 through meshing of the bevel gear 34 and the auxiliary bevel gear 51, under the elastic force of the vibration spring 30, the eccentric rotary wheel 31 is always abutted against the massage plate 33, the eccentric rotary wheel 31 drives the massage plate 33 to reciprocate from side to side through rotation, so that the massage plate 33 performs vibration massage on the knee joint, and the heater 32 is electrified to heat the knee joint, thereby relieving symptoms such, after finishing physical therapy, the electromagnet 56 is powered off, the spline wheel 61 moves to the side far away from the knee protecting strap 11 to reset under the action of the spring 58, and the motor 23 stops.

When the knee joint muscle needs to be recovered and trained, the auxiliary push plate 63 is manually pulled upwards to enable the auxiliary push plate 63 to be separated from the pin hole 66, then the push plate 44 is pushed to move a certain distance to the side close to the knee-protecting bandage 11, the coil 47 is partially positioned in the cylindrical permanent magnet 45, the moving amount of the push plate 44 can be adjusted according to actual needs, so that the damping force is adjusted, then the wearer performs knee joint flexion and extension movement, the wearer rotates the thigh and the shank relatively, the sector 16 drives the rotating rod 18 to rotate through the auxiliary compression spring 71, the fixed rod 70 and the contact switch 41 on the front side or the rear side, the rotating rod 18 drives the rotating disc 28, the motor shaft 42 and the main gear 43 to rotate, the main gear 43 rotates through meshing the connecting belt gear 27, the gear 27 drives the coil 47 to rotate through the auxiliary rotating shaft 48, and the coil 47 performs work through cutting of magnetic lines in the cylindrical permanent magnet, The auxiliary rotating shaft 48 and the gear 27 generate damping force, so that certain damping force is generated for flexion and extension movements of the knee joint of the wearer, the wearer is helped to perform recovery training, current generated by the coil 47 cutting magnetic lines is transmitted to the lithium battery 22 to be stored, and a mode required by the wearer is judged through the current generated by the coil 47, namely, the wearer is prevented from starting the function of assisting the flexion and extension movements of the knee joint when performing recovery training.

In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.

Claims

1. The utility model provides a knee joint rehabilitation physiotherapy device, includes the knee-pad bandage that two longitudinal symmetries set up, its characterized in that: the knee protection device comprises a support rod fixedly connected to the left end face or the right end face of the knee protection bandage at the upper side, a power box positioned between the two knee protection bandages is fixedly connected to the support rod, a power cavity is arranged in the power box, a motor shaft is rotatably connected to the inner wall of one side, away from the knee protection bandage, of the power cavity, a motor fixedly connected to the inner wall of one side, away from the knee protection bandage, of the power cavity is in power connection, a main gear is fixedly connected to the motor shaft, a turntable is fixedly connected to the motor shaft and positioned at one side, close to the knee protection bandage, of the main gear, and an auxiliary motion device is arranged on the knee protection device, the motion assist apparatus assists the knee bending motion in the wearer by providing an assist turning motion, the auxiliary movement device comprises a rotating rod fixedly connected to the end surface of the lower side of the turntable, the rotating rod extends downwards to the outside of the end surface of the power cavity, an auxiliary supporting plate is fixedly connected on the lower side end surface of the power box, the auxiliary supporting plate is positioned on one side of the rotating rod, which is close to the knee protecting strap, the end surface of one side of the auxiliary supporting plate, which is far away from the knee protecting strap, is rotationally connected with a rotating shaft which extends rightwards, the rotating shaft of the rotating shaft is fixedly connected with a sector block, a sector cavity with an upward opening is arranged in the sector block, a muscle training device is arranged in the power cavity and used for providing damping for training muscles at the knee joint of a wearer, the power cavity is internally provided with a heating massage device for vibrating massage of the knee joint of the wearer.

2. The knee joint rehabilitation physiotherapy device according to claim 1, wherein: the knee protection device is characterized in that a secondary spline cavity with an opening facing to one side close to the knee protection bandage is arranged in the rotary table, a spline wheel capable of being located in the secondary spline cavity is connected to a flat key on the motor shaft and can be in spline connection with the secondary spline cavity, a support plate located on one side close to the knee protection bandage and on the rotary table is fixedly connected to the inner wall of the lower side of the power cavity, a transmission shaft extending leftwards and rightwards is rotatably connected to the support plate, a bevel gear located on one side close to the knee protection bandage and on the support plate is fixedly connected to the transmission shaft, a rotary drum located on one side far away from the knee protection bandage and on the support plate is fixedly connected to the transmission shaft, a spline cavity with an opening facing to one side far away from the knee protection bandage is arranged in the rotary drum, the spline, a spring is connected between the electromagnet and the spline wheel, a lithium battery is fixedly connected to the end face of one side, away from the knee protecting bandage, of the power box, and the lithium battery is electrically connected with the motor.

3. The knee joint rehabilitation physiotherapy device according to claim 1, wherein: the rotating rod extends downwards into the fan-shaped cavity, the rotating rod can be abutted against the inner wall of the front side or the rear side of the fan-shaped cavity, the end face of the rotating rod, far away from one side of the kneepad bandage, is fixedly connected with a trigger block positioned in the fan-shaped cavity, the inner wall of the fan-shaped cavity, far away from one side of the kneepad bandage, is fixedly connected with a position switch, the end faces of the front side and the rear side of the fan-shaped cavity are respectively provided with a contact switch with an opening facing to one side close to the rotating rod, the two contact switches are symmetrical front and back, the inner wall of the contact switch, far away from one side of the rotating rod, is fixedly connected with an auxiliary contact switch, a sliding block is connected in the auxiliary sliding hole in a sliding manner, the end face of the sliding block, close to one side of the rotating rod, is fixedly connected with the, fixedly connected with dead lever on the contact switch downside terminal surface, the dead lever with sector chamber is kept away from be connected with vice compression spring between the inner wall of bull stick one side, sector block is kept away from sliding connection has the lifter plate on kneecap bandage one side terminal surface, the lifter plate can only along sector block reciprocates, lifter plate and downside fixedly connected with fixed block between the kneecap bandage, just the fixed block is located the sector block downside, fixedly connected with downwardly extending's lead screw on the sector block downside terminal surface, just the lead screw can run through the fixed block, threaded connection has and is located on the lead screw the nut of fixed block upside, the nut with be connected with compression spring between the fixed block.

4. The knee joint rehabilitation physiotherapy device according to claim 2, wherein: the muscle training device comprises a damping box fixedly connected to the inner wall of one side of the power cavity, which is far away from the knee-pad bandage, the damping box is positioned on the upper side of the motor, a damping cavity is arranged in the damping box, a through hole which is through from left to right is arranged on the inner wall of one side of the damping cavity, which is far away from the knee-pad bandage, a push rod which extends from left to right is connected on the through hole in a sliding manner, a cylindrical permanent magnet which is positioned in the damping cavity is fixedly connected on the push rod, the opening of the cylindrical permanent magnet faces left, five pin holes which are through up and down are distributed on the push rod in an array manner from left to right, a push plate which is positioned on one side of the damping box, which is far away from the knee-pad bandage, is fixedly connected on the end surface of one side of the damping box, the spacer pin can extend to in the round pin hole, thereby the restriction remove about the push rod, fixedly connected with is located on the spacer pin the pinhole of auxiliary fixed block upside, the pinhole can with auxiliary fixed block upside terminal surface butt, fixedly connected with is located on the power chamber upside inner wall the damping box is close to the fixed plate of knee-pad bandage one side, rotate on the fixed plate and be connected with the counter shaft of controlling the extension, fixedly connected with is located on the counter shaft the left gear of fixed plate, the gear with master gear meshing is connected, the counter shaft is to keeping away from knee-pad bandage one side extends to in the damping chamber, fixedly connected with is located on the counter shaft the coil in the damping chamber, the coil with lithium cell electric connection, the coil can be located in the cylindric permanent magnet.

5. The knee joint rehabilitation physiotherapy device according to claim 2, wherein: the heating massage device comprises a gear shaft which is rotationally connected to the inner wall of the lower side of the power cavity, the gear shaft extends upwards, the gear shaft is positioned at one side of the bevel gear, which is close to the knee protection bandage, the gear shaft is fixedly connected with a secondary bevel gear which is meshed with the bevel gear, the gear shaft is fixedly connected with an eccentric rotating wheel which is positioned at the upper side of the secondary bevel gear, the end surface of the upper side of the eccentric rotating wheel is fixedly connected with a limit switch, the inner wall of the upper side of the power cavity is fixedly connected with a secondary fixing plate which is positioned at one side of the fixing plate, which is close to the knee protection bandage, the end surface of one side of the secondary fixing plate is fixedly connected with a positioning rod, which can be abutted against the limit switch, a chute which is through, the massage plate is always abutted against the eccentric rotating wheel, the massage plate is provided with a heater, and a vibration spring is connected between the massage plate and the auxiliary fixing plate.