CN219646651U - Lower limb exercise device - Google Patents

Abstract

The utility model discloses a lower limb exercise device, which comprises a seat plate, an exercise assembly and a bottom plate, wherein the edge of the lower end of the seat plate is provided with a side plate, the exercise assembly comprises two leg fixing mechanisms, two first strength adjusting mechanisms and two second strength adjusting mechanisms, the two first strength adjusting mechanisms are arranged at the lower end of the seat plate side by side, the two second strength adjusting mechanisms are arranged at the upper end of the bottom plate side by side, one end of each of the two leg fixing mechanisms is rotationally connected with the lower end of the seat plate, the two leg fixing mechanisms are respectively connected with the first strength adjusting mechanisms, the other end of each of the two leg fixing mechanisms is movably connected with the second strength adjusting mechanisms, the leg fixing mechanisms are in sliding fit with the second strength adjusting mechanisms, the leg fixing mechanisms are foldable, and the lower end of the side plate is movably connected with the bottom plate; the lower limb exercise device provided by the utility model can not only exercise in multiple modes, but also be folded and stored.

Description

Lower limb exercise device

Technical Field

The present utility model relates to a lower limb exercise apparatus.

Background

At present, after the nerve of lower limbs is damaged, some patients clinically need to perform rehabilitation exercise in later stage through treatment of a hospital so as to accelerate nerve recovery of lower limbs, at present, the patients generally need to perform straight leg lifting exercise, bending and stretching exercise, straight leg abduction adduction exercise and wall rest static squatting exercise, for bedridden patients, other exercise modes need to perform exercise in a rehabilitation period except the wall rest static squatting exercise, but in general hospitals, no corresponding exercise device exists, only medical staff is used for supporting the patients to go out of the bed for exercise, the exercise not only increases the burden of the medical staff, but also has the problem of lower efficiency, and therefore, the lower limb exercise device needs to be provided;

in the prior patent document, the application number is 201721019444.5, and the patent document of the rehabilitation device is tempered to department of neurology lower limb name, has proposed: the utility model provides a department of neurology low limbs exercise rehabilitation device, the on-line screen storage device comprises a base plate, the front end of bottom plate upper surface and rear end all are equipped with the spout, the inside of spout is equipped with the slider, and two sliders pass through connecting plate fixed connection, slider and spout sliding connection, the side of slider is equipped with the screw rod, be equipped with the through-hole with the side of slider corresponding to the screw rod, and slider and screw rod sliding connection, the side middle part of screw rod is equipped with stop nut, and stop nut's side contacts with the side of slider, the left end and bottom plate fixed connection of screw rod's side left end activity has cup jointed spring and limiting plate, the left end and the limiting plate fixed connection of spring, the side of corresponding screw rod with the limiting plate left end threaded connection has fixation nut, the side of fixation nut contacts with the side of limiting plate, the right-hand member of screw rod is equipped with the mounting panel, mounting panel and bottom plate fixed connection, the upper end of mounting panel is equipped with strutting arrangement, and strutting arrangement's lower extreme left side is connected with the slider, the left end of bottom plate is equipped with the switch group, the input of switch group and external power source's output electricity are connected;

in this technical scheme, only can provide the lower limb for the patient and bend stretching exercise, temper the kind singlely, and occupy the volume great, be inconvenient for accomodate.

Disclosure of Invention

The utility model aims to solve the technical problems of the prior art and provides a lower limb exercise device, which not only can provide various exercises including straight leg lifting exercise, bending exercise and straight leg abduction and adduction exercises for patients, but also can be folded and stored, thereby reducing the volume and the occupied space.

In order to solve the technical problems, the technical scheme of the utility model is realized by the following steps: the utility model provides a low limbs exercise device, including the seat, temper subassembly and bottom plate, seat lower extreme border is equipped with the curb plate, temper the subassembly and include two shank fixed establishment, two first intensity adjustment mechanisms and two second intensity adjustment mechanisms, set up in the seat lower extreme side by side, two second intensity adjustment mechanisms set up in the bottom plate upper end side by side, two shank fixed establishment all one end is connected with seat lower extreme rotation, and two shank fixed establishment respectively with first intensity adjustment mechanism swing joint, two shank fixed establishment all other ends and second intensity adjustment mechanism swing joint, and shank fixed establishment and second intensity adjustment mechanism sliding fit, shank fixed establishment is collapsible, curb plate lower extreme and bottom plate swing joint.

Further, the leg fixing mechanism comprises a first expansion bracket, a second expansion bracket, a shank tightening belt, a foot pad plate and a sole fixing plate, wherein one end of the first expansion bracket is hinged with a rotating connecting plate, the rotating connecting plate is rotatably arranged at the lower end of the seat plate, the rotating connecting plate is movably connected with the first strength adjusting mechanism, the other end of the first expansion bracket is hinged with one end of the second expansion bracket, the shank tightening belt is slidably sleeved on the second expansion bracket, the foot pad plate is arranged at the other end of the second expansion bracket, and the sole fixing plate is hinged with one end of the foot pad plate far away from the second expansion bracket; the first telescopic frame and the second telescopic frame are arranged corresponding to the thighs and the shanks of the patient respectively, and the second telescopic frame is fixed with the shanks of the patient, so that the telescopic characteristics of the first telescopic frame and the second telescopic frame are utilized to adapt to the change of the lower limb position of the patient.

Further, one end of the first expansion bracket hinged with the second expansion bracket is provided with an outwards formed limit boss, the limit boss is connected with a first limit bolt in a threaded manner, and one end of the second expansion bracket hinged with the first expansion bracket is provided with a first limit hole matched with the first limit bolt; the first limit bolt is matched with the first limit hole, and the first expansion bracket and the second expansion bracket can be fixed, so that the lower limb of a patient is kept to be straightened, and the patient can exercise the leg straightening conveniently.

Further, the lower end of the seat plate is provided with a plurality of sliding rods, the sliding rods are arranged side by side, the middle section of each sliding rod is provided with a spacer block, two first strength adjusting mechanisms are arranged on the sliding rods in a sliding manner, and the two first strength adjusting mechanisms are respectively positioned on two sides of the spacer block; simple structure, convenient equipment.

Further, the first strength adjusting mechanism comprises a rack, a plurality of first limiting blocks and a plurality of first thrust springs, the rack is arranged on one slide bar closest to the leg fixing mechanism in a sliding mode, the first limiting blocks are respectively arranged on the other slide bars in a sliding mode, the rack and the first limiting blocks are located on the same side of the slide bar, the first thrust springs are respectively sleeved on the slide bars, the first thrust springs are located between the spacer blocks and the rack or the first limiting blocks, strength adjusting blocks are arranged on the rack, a plurality of movably connected second limiting bolts are arranged on the strength adjusting blocks, the second limiting bolts are respectively movably connected with the first limiting blocks, a plurality of tooth-shaped bosses are arranged on the edge of the rotary connecting plate along the circumferential direction, and the tooth-shaped bosses are in meshed fit with the corresponding racks; the first limiting blocks and the first thrust springs are matched, so that different exercise intensities can be built.

Further, second intensity adjustment mechanism includes the smooth rail seat, two track poles, two second thrust spring, a track slider and an intensity adjustment slider, the smooth rail seat is the rectangle frame, two track poles set up side by side in smooth rail seat, track slider slides and sets up on two track poles, and articulated through articulated piece between track slider and the foot backing plate, and swing joint between articulated piece and the track slider, two second thrust spring overlaps respectively and locates on two track poles, intensity adjustment slider also slides and sets up on two track poles, second thrust spring one end offsets with the track slider, the other end offsets with intensity adjustment slider, intensity adjustment slider upper end is equipped with threaded connection's spacing jackscrew, the activity offsets between spacing jackscrew and the slide rail seat, the second intensity adjustment mechanism of setting can be when the patient is the bending and stretching exercise, provide the resistance, intensity of exercise promptly, and can build different exercise intensity through adjusting the position of intensity adjustment slider.

Further, the second strength adjusting mechanism further comprises an adjusting screw rod and a screw rod sliding block, the adjusting screw rod is rotatably arranged on the slide rail seat, the adjusting screw rod is arranged side by side with the track rod, the screw rod sliding block is arranged on the adjusting screw rod in a sliding manner, the screw rod sliding block is in threaded fit with the adjusting screw rod, the screw rod sliding block is in sliding fit with the track rod, through holes are formed in the middle sections of the adjusting slide block and the strength adjusting slide block, corresponding to the adjusting screw rod, the adjusting screw rod penetrates through the through holes in the adjusting slide block and the strength adjusting slide block, and the screw rod sliding block is movably abutted against the adjusting slide block; can assist the patient with the serious weakness to do exercise.

Further, the upper end edge of the bottom plate is provided with a peripheral plate, the height of the peripheral plate is equal to that of the sliding rail seat, and the upper end of the peripheral plate is movably connected with the lower end of the side plate; the peripheral plate is matched with the side plate, so that a gap between the seat plate and the bottom plate can be shielded when the folding seat is folded and stored.

Further, a gap is formed in one side wall, close to the rotating connecting plate, of the side plate, and a hinged cover plate is arranged on the peripheral plate corresponding to the gap; simple structure and convenient manufacture.

Further, the using method of the lower limb exercise device comprises the following steps:

step one: the lower limb exercise device is unfolded, the bottom plate is placed on a horizontal plane, the seat plate is lifted upwards, the side plates and the peripheral plate are separated, the seat plate is transversely moved, the first expansion bracket and the second expansion bracket are rotated, the first expansion bracket and the second expansion bracket are paved above the bottom plate, and then the seat plate is also placed on the horizontal plane;

step two: the lower limb exercise device is adjusted, a patient sits on the sitting plate, the position of the bottom plate is adjusted according to the leg length of an exerciser, the lengths of the first telescopic frame and the second telescopic frame are changed along with the adjustment of the leg length of the patient, and the lengths of the first telescopic frame and the second telescopic frame are respectively adjusted according to the thigh leg length and the shank leg length of the patient, so that the hinged positions of the first telescopic frame and the second telescopic frame correspond to the knee position of the patient;

step three: fixing the lower limb of a patient, wherein the heel of the patient is lapped on the foot pad, the sole is propped against the sole fixing plate and is fixed, and the shank tightening belt is wound on the shank of the patient at a position close to the knee;

step four: exercise, according to patient's demand, carry out lower limb flexion and extension exercise, straight leg is raised and is taken exercise and straight leg abduction adduction exercise, the exercise process is as follows respectively:

(1) lower limb bending and stretching exercise: the thigh and the calf of the patient cooperatively exert force to drive the foot pad to slide on the second strength adjusting mechanism, so as to drive the track slide block to press the second thrust spring, the second thrust spring exerts reverse elastic force to provide exercise strength for the exercise of the patient, and the initial position of the strength adjusting slide block 22 is adjusted to adjust the strength;

the guardian can rotate the adjusting screw rod to drive the screw rod sliding block to push the track sliding block to slide, so that the lower limb of the patient is driven to do passive flexion and extension exercise;

(2) straight leg lifting exercise: the hinge block is disconnected from the track sliding block, and the first limit bolt is rotated to enable the first limit bolt to be inserted into the first limit hole, so that the first telescopic frame and the second telescopic frame cannot rotate, a patient can directly lift the lower limb position of the patient under the action of the thigh force, and the first telescopic frame and the second telescopic frame are adaptively telescopic along with the change of the lower limb position of the patient in the lifting process;

(3) straight leg abduction adduction exercise: the hinge block is connected with the track sliding block, the first limit bolt is rotated, so that the first limit bolt is inserted into the first limit hole, a patient can exert force on the lower limb by the thigh under the state that the lower limb is kept straightened, the patient rotates outwards, and in the rotating process, the first strength adjusting mechanism exerts reverse acting force on the rotating connecting plate to provide exercise strength;

step five: after the patient takes in and exercises, the patient gets down from the seat plate, folds the first telescopic frame and the second telescopic frame in half, the first telescopic frame and the second telescopic frame are positioned above the seat plate, and then the side plates are connected with the peripheral plate; the operation method is simple and clear, and is convenient for patients and medical staff to understand.

The beneficial effects of the utility model are as follows:

according to the technical scheme, the exercise assembly can be folded and stored between the seat plate and the bottom plate, so that the whole volume is reduced, and the space is saved during storage;

according to the technical scheme, the arranged exercise assembly can be used for performing the straight leg abduction and adduction exercise with a patient through the rotary connection between the leg fixing mechanism and the seat plate, and the arranged first intensity adjusting mechanism can provide different exercise intensities for the straight leg adduction exercise of the patient;

the first telescopic frame and the second telescopic frame are hinged, so that a patient can conveniently perform lower limb bending and stretching exercises, and different exercise intensities can be provided for the lower limb bending and stretching exercises of the patient through the second intensity adjusting mechanism;

the first expansion bracket and the second expansion bracket that set up accessible first spacing bolt is fixed to keep patient's low limbs to straighten, thereby be convenient for the patient to carry out straight leg and raise and temper, and through the accommodate the lead screw and the lead screw slider cooperation that set up, can be by medical personnel auxiliary patient exercise.

Drawings

FIG. 1 is an axial view from top to bottom in the deployed state of the present utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

FIG. 4 is a bottom-up axial view of the present utility model in an expanded state;

FIG. 5 is an enlarged view of a portion of FIG. 4 at C;

FIG. 6 is an axial view of the present utility model in a folded condition;

fig. 7 is an exploded view of the present utility model in a folded state.

Detailed Description

The following describes the technical solution in the embodiment of the present utility model in detail with reference to fig. 1 to 7 in the embodiment of the present utility model.

Example 1

As shown in fig. 1, a lower limb exercise device comprises a seat plate 1, an exercise assembly and a bottom plate 2, wherein a side plate 3 is arranged at the edge of the lower end of the seat plate 1, and the side plate 3 covers a gap between the seat plate 1 and the bottom plate 2;

the exercise assembly comprises two leg fixing mechanisms, two first strength adjusting mechanisms and two second strength adjusting mechanisms, wherein the two first strength adjusting mechanisms are arranged at the lower end of the seat plate 1 side by side, the two second strength adjusting mechanisms are arranged at the upper end of the bottom plate 2 side by side, one ends of the two leg fixing mechanisms are rotatably connected with the lower end of the seat plate 1, the two leg fixing mechanisms are movably connected with the first strength adjusting mechanisms respectively, and when the leg fixing mechanisms rotate at the lower end of the seat plate 1, the first strength adjusting mechanisms apply reverse resistance to the leg fixing mechanisms, so that exercise strength is provided for a patient to exercise with straight leg abduction and adduction;

the other ends of the two leg fixing mechanisms are movably connected with the second strength adjusting mechanism, the leg fixing mechanisms are in sliding fit with the second strength adjusting mechanism, and the second strength adjusting mechanism can provide reverse resistance for the leg fixing mechanisms, namely provide exercise strength for a patient to perform lower limb bending and stretching exercises;

the leg fixing mechanism is foldable, the lower end of the side plate 3 is movably connected with the bottom plate 2, the leg fixing mechanism is foldable, and when the lower end of the side plate 3 is connected with the bottom plate 2, the exercise device is integrally folded, so that the whole volume is reduced, and the storage is convenient.

As shown in fig. 2 and 5, the leg fixing mechanism comprises a first telescopic frame 4, a second telescopic frame 5, a shank tightening belt 6, a foot pad 7 and a sole fixing plate 8, wherein one end of the first telescopic frame 4 is hinged with a rotating connecting plate 9 through two transition hinge blocks 29, and the length of each transition hinge block 29 is the sum of the thickness of the end part of the first telescopic frame 4 and the thickness of the rotating connecting plate 9, namely, the first telescopic frame 4 can be parallel to and attached to the rotating connecting plate 9 when rotating;

the rotating connecting plate 9 is rotatably arranged at the lower end of the seat plate 1, the rotating connecting plate 9 is movably connected with the first strength adjusting mechanism, the rotating connecting plate 9 is driven by the leg fixing mechanism to rotate, and the first strength adjusting mechanism applies directional resistance to the rotating connecting plate 9, so that exercise strength is provided for a patient to perform leg straightening abduction adduction exercise;

the other end of the first telescopic frame 4 is hinged with one end of the second telescopic frame 5, the first telescopic frame 4 and the second telescopic frame 5 respectively correspond to thighs and shanks of patients, and the hinged position between the first telescopic frame 4 and the second telescopic frame corresponds to the knee position of the patients, so that the bending and bending of the thighs and the shanks of the patients are adapted;

the shank tightening belt 6 comprises two metal sliding sleeves, a supporting belt and a binding belt, wherein the two metal sliding sleeves are respectively arranged at two ends of the supporting belt, the two metal sliding sleeves are sleeved on the second telescopic frame 5 in a sliding manner, an adjusting jackscrew in threaded connection is arranged on each metal sliding sleeve, the adjusting jackscrew is abutted against the second telescopic frame 5, the position of the metal sliding sleeve can be limited to be fixed, one end of the binding belt is fixedly connected with one metal sliding sleeve, the free end of the binding belt is movably connected with the other metal sliding sleeve, a clamping ring is preferably arranged on the other metal sliding sleeve, the free end of the binding belt is adhered to the binding belt through a magic tape after penetrating through the clamping ring, and the supporting belt and the binding belt are matched and wound at the position, close to a knee, of the shank of a patient, so that the second telescopic frame 5 is fixed with the shank of the patient;

the foot pad 7 is arranged at the other end of the second expansion bracket 5, the sole fixing plate 8 is hinged with one end of the foot pad 7 far away from the second expansion bracket 5, the maximum rotation angle between the sole fixing plate 8 and the foot pad 7 is 90 degrees, the heel of a patient is lapped on the foot pad 7, the sole is stepped on the sole fixing plate 8, and the sole fixing plate 8 is provided with a binding belt for fixing the sole of the patient with the sole fixing plate 8;

the patient's sole is fixed with the sole fixing plate 8, and the supporting belt and the binding belt are matched and wound on the patient's lower leg near the knee, so that the second telescopic frame 5 is fixed with the patient's lower leg, the patient's lower limb is fixed with the leg fixing mechanism, and the leg fixing mechanism can bend along with the bending of the patient's lower limb.

As shown in fig. 1, an outwards formed limit boss 10 is arranged at one end of the first expansion bracket 4 hinged to the second expansion bracket 5, a first limit bolt 11 is connected to the limit boss 10 in a threaded manner, a first limit hole matched with the first limit bolt 11 is formed at one end of the second expansion bracket 5 hinged to the first expansion bracket 4, the first limit bolt 11 is inserted into the first limit hole after the first expansion bracket 4 is horizontally paved straight with the second expansion bracket 5, and therefore rotation between the first expansion bracket 4 and the second expansion bracket 5 can be limited, and lower limbs of a patient can be kept straightened.

The lower extreme of seat 1 is equipped with a plurality of slide bars 15, and slide bar 15 both ends are fixed in on curb plate 3, and a plurality of slide bars 15 set up side by side, and every slide bar 15 middle section all is equipped with spacer 16, and spacer 16 separates slide bar 15, and two first intensity adjustment mechanism all slide and set up on a plurality of slide bars 15, and two first intensity adjustment mechanism are located the spacer 16 both sides respectively, and two first intensity adjustment mechanism correspond two shank fixed establishment respectively and set up.

As shown in fig. 1, the first strength adjusting mechanism comprises a rack 12, a plurality of first limiting blocks 13 and a plurality of first thrust springs 14, the rack 12 is slidably arranged on a slide bar 15 closest to the leg fixing mechanism, a plurality of tooth-shaped bosses 9a are arranged on the edge of the rotary connecting plate 9 along the circumferential direction, the tooth-shaped bosses 9a are engaged with the corresponding racks 12, and when the rotary connecting plate 9 rotates, the rack 12 can be driven to slide on the slide bar 15;

the first limiting blocks 13 are respectively arranged on the rest slide bars 15 in a sliding manner, the racks 12 and the first limiting blocks 13 are positioned on the same side of the slide bars 15, the first thrust springs 14 are respectively sleeved on the slide bars 15, the first thrust springs 14 are positioned between the spacing blocks 16 and the racks 12 or the first limiting blocks 13, and when the spacing blocks 16 or the racks 12 slide on the slide bars 15, the first thrust springs 14 are pressed and exert directional force on the spacing blocks 16 or the racks 12, so that exercise resistance is provided for a patient, namely exercise intensity;

the rack 12 is provided with the intensity adjusting block 30, the intensity adjusting block 30 is provided with a plurality of movably connected second limit bolts 17, the plurality of second limit bolts 17 are respectively movably connected with the plurality of first limit blocks 13, the second limit bolts 17 are in threaded fit with the first limit blocks 13, the second limit bolts 17 with different numbers are connected with the first limit blocks 13, and the first limit blocks 13 with different numbers can be driven to slide when the rack 12 slides, so that the first thrust springs 14 with different numbers are pressed, and different exercise intensities are provided for patients.

As shown in fig. 1, the second strength adjusting mechanism comprises a slide rail seat 18, two rail rods 19, two second thrust springs 20, a rail sliding block 21 and a strength adjusting sliding block 22, wherein the slide rail seat 18 is a rectangular frame, the slide rail seat 18 is fixed at the upper end of the bottom plate 2, the two rail rods 19 are arranged in the slide rail seat 18 side by side, the rail sliding block 21 is arranged on the two rail rods 19 in a sliding manner, the rail sliding block 21 is hinged with the foot pad 7 through a hinging block 23, and when the second telescopic frame 5 rotates along with the leg of a patient, the foot pad 7 synchronously rotates on the rail sliding block 21;

the hinge block 23 is movably connected with the track slide block 21 through bolts or buckles, and whether the hinge block 23 is connected with the track slide block 21 is selected according to the exercise requirement;

the two second thrust springs 20 are respectively sleeved on the two track rods 19, the strength adjusting slide blocks 22 are also arranged on the two track rods 19 in a sliding manner, in an initial state, the strength adjusting slide blocks 22 and the track slide blocks 21 are respectively positioned at two ends of the track rods 19, the second thrust springs 20 are in an original state, one ends of the second thrust springs 20 are propped against the track slide blocks 21, and the other ends of the second thrust springs 20 are propped against the strength adjusting slide blocks 22;

the upper end of the intensity adjusting slide block 22 is provided with a limit jackscrew 24 in threaded connection, the limit jackscrew 24 is movably propped against the track slide block 21, the position of the intensity adjusting slide block 22 on the track rod 19 is adjusted, and the limit jackscrew 24 is propped against the slide rail seat 18, so that the position of the intensity adjusting slide block 22 is fixed, and when the intensity adjusting slide block 22 is positioned at different positions on the track rod 19, the initial compression degree of the second thrust spring 20 can be adjusted, so that the initial thrust of the second thrust spring 20 is adjusted, namely the intensity of the lower limb bending and stretching exercise of a patient is adjusted.

The upper end edge of the bottom plate 2 is provided with a peripheral plate 27, the height of the peripheral plate 27 is equal to that of the slide rail seat 18, and the upper end of the peripheral plate 27 is movably connected with the lower end of the side plate 3 through a buckle or a bolt, so that the disassembly is convenient.

A notch 3a is formed in one side wall of the side plate 3, which is close to the rotary connecting plate 9, the notch 3a can facilitate the rotation of the leg fixing mechanism, when the leg fixing mechanism rotates, the leg fixing mechanism is positioned in the notch 3a, and the rotating angle range is limited by the notch 3 a;

a hinged cover plate 28 is arranged on the peripheral plate 27 corresponding to the notch 3a and can shield the notch 3a.

The application method of the lower limb exercise device is characterized in that: the method comprises the following steps:

step one: the lower limb exercise device is unfolded, the bottom plate 2 is placed on a horizontal plane, the seat plate 1 is lifted upwards, the side plates 3 and the peripheral plate 27 are separated, the seat plate 1 is transversely moved, the first telescopic frame 4 and the second telescopic frame 5 are rotated, the first telescopic frame 4 and the second telescopic frame 5 are paved above the bottom plate 2, and then the seat plate 1 is also placed on the horizontal plane;

step two: the lower limb exercise device is adjusted, a patient sits on the sitting plate 1, the position of the bottom plate 2 is adjusted according to the leg length of an exerciser, the lengths of the first telescopic frame 4 and the second telescopic frame 5 are changed along with the position of the bottom plate 2, and the lengths of the first telescopic frame 4 and the second telescopic frame 5 are respectively adjusted according to the thigh leg length and the shank leg length of the patient, so that the hinged positions of the first telescopic frame 4 and the second telescopic frame 5 correspond to the knee position of the patient;

step three: fixing the lower limb of a patient, wherein the heel of the patient is lapped on a foot pad 7, the sole is propped against a sole fixing plate 8 and is fixed, and a shank tightening belt 6 is wound on the shank of the patient at a position close to the knee;

step four: exercise, according to patient's demand, carry out lower limb flexion and extension exercise, straight leg is raised and is taken exercise and straight leg abduction adduction exercise, the exercise process is as follows respectively:

(1) lower limb bending and stretching exercise: the thigh and the calf of the patient cooperatively exert force to drive the foot pad 7 to slide on the second strength adjusting mechanism, so as to drive the track slide block 21 to press the second thrust spring 20, the second thrust spring 20 exerts reverse elastic force to provide exercise strength for the exercise of the patient, and the initial position of the strength adjusting slide block 22 is adjusted to adjust the strength;

(2) straight leg lifting exercise: the hinge block 23 is disconnected from the track slider 21, and the first limit bolt 11 is rotated, so that the first limit bolt 11 is inserted into the first limit hole, the first telescopic frame 4 and the second telescopic frame 5 cannot rotate, the patient can directly lift the lower limb position of the patient under the action of the thigh force, and the first telescopic frame 4 and the second telescopic frame 5 are adaptively telescopic along with the change of the lower limb position of the patient in the lifting process;

(3) straight leg abduction adduction exercise: the hinge block 23 is disconnected from the track slider 21, and the first limit bolt 11 is rotated to enable the first limit bolt 11 to be inserted into the first limit hole, so that a patient can exert force on the lower limb to rotate outwards under the condition that the lower limb is kept straightened, and in the rotating process, the first strength adjusting mechanism applies reverse acting force on the rotating connecting plate 9 to provide exercise strength;

step five: after the patient takes in and exercises, the patient gets down from the seat plate 1, folds the first telescopic frame 4 and the second telescopic frame 5 in half, the first telescopic frame 4 and the second telescopic frame 5 are positioned above the seat plate 1, and then the side plate 3 is connected with the peripheral plate 27;

example 2

On the basis of embodiment 1, the second strength adjusting mechanism further comprises an adjusting screw 25 and a screw rod sliding block 26, the adjusting screw 25 is rotatably arranged on the slide rail seat 18 through a bearing, the adjusting screw 25 is arranged side by side with the track rod 19, the screw rod sliding block 26 is slidably arranged on the adjusting screw 25, the screw rod sliding block 26 is in threaded fit with the adjusting screw 25, the screw rod sliding block 26 is in sliding fit with the track rod 19, through holes are formed in the middle sections of the track sliding block 21 and the strength adjusting sliding block 22 corresponding to the positions of the adjusting screw 25, the adjusting screw 25 penetrates through the through holes in the track sliding block 21 and the strength adjusting sliding block 22, and the screw rod sliding block 26 is movably abutted against the track sliding block 21;

one end of the adjusting screw rod 25 is provided with a power source, and the adjusting screw rod 25 can be manually rotated by medical staff, or the adjusting screw rod 25 can be driven to rotate by an electric motor matched with a controller, and when the adjusting screw rod 25 rotates, the screw rod sliding block 26 is driven to slide and the rail sliding block 21 is driven to slide, so that legs of a patient are driven to do bending and stretching exercises.

The above embodiments are only for illustrating the technical idea of the present utility model, and the protection scope of the present utility model is not limited thereto, and any modification made on the basis of the technical scheme according to the technical idea of the present utility model falls within the protection scope of the present utility model.

Claims (9)

1. The utility model provides a low limbs exercise device, a serial communication port, including seat (1), exercise subassembly and bottom plate (2), seat (1) lower extreme border is equipped with curb plate (3), exercise the subassembly and include two shank fixed establishment, two first intensity adjustment mechanisms and two second intensity adjustment mechanisms, two first intensity adjustment mechanisms set up side by side in seat (1) lower extreme, two second intensity adjustment mechanisms set up side by side in bottom plate (2) upper end, two shank fixed establishment all one end and seat (1) lower extreme swivelling joint, and two shank fixed establishment respectively with first intensity adjustment mechanism swing joint, two shank fixed establishment all other ends and second intensity adjustment mechanism swing joint, and shank fixed establishment and second intensity adjustment mechanism sliding fit, shank fixed establishment is collapsible, curb plate (3) lower extreme and bottom plate (2) swing joint.

2. The lower limb exercise device of claim 1, wherein: the leg fixing mechanism comprises a first telescopic frame (4), a second telescopic frame (5), a shank tightening belt (6), a foot base plate (7) and a sole fixing plate (8), wherein one end of the first telescopic frame (4) is hinged with a rotating connecting plate (9), the rotating connecting plate (9) is rotatably arranged at the lower end of the seat plate (1), the rotating connecting plate (9) is movably connected with the first strength adjusting mechanism, the other end of the first telescopic frame (4) is hinged with one end of the second telescopic frame (5), the shank tightening belt (6) is slidably sleeved on the second telescopic frame (5), the foot base plate (7) is arranged at the other end of the second telescopic frame (5), and the sole fixing plate (8) is hinged with the foot base plate (7) to be away from one end of the second telescopic frame (5).

3. The lower limb exercise device of claim 2, wherein: the telescopic device is characterized in that one end of the first telescopic frame (4) hinged to the second telescopic frame (5) is provided with an outwards formed limiting boss (10), a first limiting bolt (11) is connected to the limiting boss (10) in a threaded mode, and a first limiting hole matched with the first limiting bolt (11) is formed in one end of the second telescopic frame (5) hinged to the first telescopic frame (4).

4. A lower extremity exercise apparatus as set forth in claim 3, wherein: the seat (1) lower extreme is equipped with a plurality of slide bars (15), and a plurality of slide bars (15) set up side by side, and every slide bar (15) middle section all is equipped with spacer block (16), and two first intensity adjustment mechanism all slide and set up on a plurality of slide bars (15), and two first intensity adjustment mechanism are located spacer block (16) both sides respectively.

5. The lower limb exercise device of claim 4, wherein: the first strength adjusting mechanism comprises a rack (12), a plurality of first limiting blocks (13) and a plurality of first thrust springs (14), wherein the rack (12) is arranged on one sliding rod (15) closest to the leg fixing mechanism in a sliding mode, the plurality of first limiting blocks (13) are respectively arranged on the other sliding rods (15) in a sliding mode, the rack (12) and the plurality of first limiting blocks (13) are located on the same side of the sliding rod (15), the plurality of first thrust springs (14) are respectively sleeved on the plurality of sliding rods (15), the first thrust springs (14) are located between a spacer block (16) and the rack (12) or the first limiting blocks (13), strength adjusting blocks (30) are arranged on the rack (12), a plurality of second limiting bolts (17) are respectively connected with the plurality of first limiting blocks (13) in a sliding mode, a plurality of tooth-shaped bosses (9 a) are arranged on the edge of the rotating connecting plate (9) along the circumferential direction, and the tooth-shaped bosses (9 a) are meshed with the corresponding racks (12).

6. The lower limb exercise device of claim 5, wherein: the second strength adjusting mechanism comprises a slide rail seat (18), two rail rods (19), two second thrust springs (20), a rail sliding block (21) and a strength adjusting sliding block (22), wherein the slide rail seat (18) is a rectangular frame, the two rail rods (19) are arranged in the slide rail seat (18) side by side, the rail sliding block (21) is arranged on the two rail rods (19) in a sliding manner, the rail sliding block (21) is hinged with a foot pad (7) through a hinging block (23), the hinging block (23) is movably connected with the rail sliding block (21), the two second thrust springs (20) are respectively sleeved on the two rail rods (19), the strength adjusting sliding block (22) is also arranged on the two rail rods (19) in a sliding manner, one end of the second thrust spring (20) is propped against the rail sliding block (21), the other end of the second thrust spring is propped against the strength adjusting sliding block (22), and the upper end of the strength adjusting sliding block (22) is provided with a limiting top wire (24) in threaded connection, and the limiting top wire (24) is movably propped against the slide rail seat (18).

7. The lower limb exercise device of claim 6, wherein: the second strength adjusting mechanism further comprises an adjusting screw rod (25) and a screw rod sliding block (26), the adjusting screw rod (25) is rotationally arranged on the slide rail seat (18), the adjusting screw rod (25) and the track rod (19) are arranged side by side, the screw rod sliding block (26) is slidably arranged on the adjusting screw rod (25), the screw rod sliding block (26) is in threaded fit with the adjusting screw rod (25), the screw rod sliding block (26) is slidably matched with the track rod (19), through holes are formed in the middle sections of the track sliding block (21) and the strength adjusting sliding block (22) corresponding to the positions of the adjusting screw rod (25), the adjusting screw rod (25) penetrates through the through holes in the track sliding block (21) and the strength adjusting sliding block (22), and the screw rod sliding block (26) and the track sliding block (21) are movably offset.

8. The lower limb exercise device of claim 6, wherein: the upper end edge of the bottom plate (2) is provided with a peripheral plate (27), the height of the peripheral plate (27) is equal to that of the sliding rail seat (18), and the upper end of the peripheral plate (27) is movably connected with the lower end of the side plate (3).

9. The lower limb exercise device of claim 8, wherein: a gap (3 a) is arranged on one side wall of the side plate (3) close to the rotary connecting plate (9), and a hinged cover plate (28) is arranged on the peripheral plate (27) corresponding to the gap (3 a).