CN215960953U - Inclined bed type lower limb rehabilitation equipment - Google Patents

Abstract

The utility model relates to an inclined bed type lower limb rehabilitation device which comprises a bottom bracket, two lower limb movement devices and an inclined bed weight reduction device, wherein the lower limb movement devices are arranged on the bottom bracket and respectively correspond to a left foot and a right foot; the inclined bed weight reduction device is used for supporting a body and providing three postures, namely a sitting posture, a horizontal posture and an inclined horizontal posture. Each lower limb movement device can move respectively. Compared with the prior art, the device can adjust the bed body angle distribution to reduce weight along with the requirements of patients in the using process, the gait is dynamically adjusted according to different patients, a semi-active/passive training mode is realized, the joint gait is perfectly simulated through the leg stretching and the movement of the pedals in the using process, and the lower limb rehabilitation training of the patients is effectively assisted.

Description

Inclined bed type lower limb rehabilitation equipment

Technical Field

The utility model belongs to the technical field of rehabilitation instruments, and particularly relates to inclined bed type lower limb rehabilitation equipment.

Background

Most patients with lower limb dyskinesia begin to lose mobility and consciousness after injury, which causes great troubles to life and is difficult to independently live, and especially for some paraplegic patients, basic rehabilitation training cannot be completed. In order to restore a certain motor ability to a patient, gait simulation training is usually performed by some rehabilitation device, which trains muscles by simulating the walking posture, expecting to rebuild nerve connection.

However, the traditional treatment mode can not ensure the treatment effect of the patient, the cost is high, although most of lower limb rehabilitation equipment on the market at present is based on a gait simulation training method, common lower limb rehabilitation devices are pedal type one-way inertia wheels, but the simple walking training is limited in the rehabilitation effect of the patient, the function is single, certain requirements are provided for the patient, and no good treatment scheme is provided for paraplegic patients with high injury level.

SUMMERY OF THE UTILITY MODEL

The utility model provides a lower limb rehabilitation device for paraplegic patients with high injury level, which is suitable for the current situation.

The inclined bed type lower limb rehabilitation equipment provided by the utility model is suitable for most patients with lower limb dyskinesia, and is simple to operate and comfortable to use. The patient lies in the inclined bed, wears safety bandage and just can use, can subtract heavy along with patient's demand adjustment bed body angle distribution in the use, according to different patients' dynamic adjustment gait, realizes semi-initiative/passive training mode, and through the flexible and motion of footboard of shank, the perfect simulation joint gait in the use effectively helps the patient to carry out the recovered training of low limbs.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a slant bed type lower limb rehabilitation device which comprises a bottom bracket, two lower limb movement devices and a slant bed weight reduction device, wherein the lower limb movement devices are arranged on the bottom bracket and respectively correspond to a left foot and a right foot; the inclined bed weight reduction device is used for supporting a body and providing three postures, namely a sitting posture, a horizontal posture and an inclined horizontal posture.

In one embodiment of the utility model, two lower limb movement devices are symmetrically arranged left and right, and each lower limb movement device can move respectively.

In one embodiment of the utility model, two lower limb movement devices are arranged at one end of the bottom bracket, and the inclined bed weight reduction device is arranged at the other end of the bottom bracket.

In one embodiment of the utility model, the bottom bracket is provided with a groove, a guide rail is arranged in the groove, and the lower limb movement device is mounted on the guide rail and can move back and forth along the guide rail.

In an embodiment of the present invention, the lower limb movement device includes a driving stepping motor, a front support beam, a pedal, a sliding table, and a sliding table push rod motor, the sliding table is disposed on the guide rail, the sliding table push rod motor is connected to the sliding table and is configured to drive the sliding table to move back and forth on the guide rail, the driving stepping motor is disposed on the sliding table, the front support beam is disposed on the sliding table, the pedal is connected to the front support beam, and the driving stepping motor is connected to the pedal through a crank gear mechanism and is configured to drive the pedal to make an elliptical movement.

In one embodiment of the utility model, the sliding table is driven by a sliding table push rod motor, when a push rod of the sliding table push rod motor extends, the sliding table is pushed forwards, and when a push rod of the sliding table push rod motor retracts, the sliding table is retracted backwards.

In one embodiment of the utility model, the bottom of the front support beam is fixed on the sliding table by a reinforcing rib.

In one embodiment of the utility model, the crank gear mechanism comprises a belt pulley, a flange plate, a large internal gear, a crankshaft belt pulley, a transmission synchronous belt and a small spur gear; the output end of the driving stepping motor is connected with a belt pulley through a flange plate, the large inner gear is fixed at one end of a front support beam, the small straight gear is meshed with the large inner gear, a through hole is formed in the upper portion of the front support beam, the crankshaft belt pulley is arranged at the through hole, one end of the crankshaft is connected with the crankshaft belt pulley, the other end of the crankshaft is connected with the small straight gear and then connected with a pedal shaft sleeve, the pedal is fixedly connected with the pedal shaft sleeve, one end of the driving synchronous belt is fixed at the belt pulley, and the other end of the driving synchronous belt is fixed and tensioned at the crankshaft belt pulley; when the driving stepping motor is started, the driving belt wheel rotates to drive the transmission synchronous belt and the crankshaft belt wheel to rotate, so as to drive the crankshaft to rotate, drive the small spur gear to rotate in an elliptic track inside the large inner gear, so that the pedal connected with the crankshaft through the pedal shaft sleeve performs elliptic motion, and a user can perform rehabilitation motion according to a preset gait.

In one embodiment of the utility model, two ends of the inside of the bottom support groove are provided with sliding table limit limiters which are sleeved on the guide rail and provided with two limiting plates, the limiting positions of the sliding table are limited by the sliding table limit limiters, and the motion amplitude of the leg of an equipment user is ensured to be within a certain range.

In one embodiment of the utility model, the sliding table push rod motor has a self-locking function when being stopped, so that the stability in a stagnation state can be ensured, and the safety is improved.

In one embodiment of the utility model, the footplate is provided with a safety belt and a rear end limiting plate for ensuring the fixation of the foot of the patient.

In one embodiment of the utility model, the pedal sleeve is mounted on the crankshaft end.

In the utility model, the lower limb movement device comprises pedal movement and gait adjustment functions;

the gait adjustment is mainly realized by a sliding table push rod motor, and when a push rod of the sliding table push rod motor is pushed out, the sliding table moves leftwards along with the guide rail; the pedal driving part is realized by a driving stepping motor, the driving mode is belt driving, and when the driving stepping motor drives, the synchronous belt drives the gear set to rotate, so that the pedal does elliptic motion.

In one embodiment of the utility model, the inclined bed weight reduction device comprises a bed seat, a bed backrest, a bed seat and a bed backrest, wherein the bed seat and the bed backrest are respectively hinged on a rear support beam, the rear support beam is fixed on a bottom support, the bed seat is further connected with a bed seat push rod motor, the bed seat push rod motor is used for adjusting the hinging angle of the bed seat and the rear support beam, the bed backrest is further connected with a bed backrest push rod motor, and the bed backrest push rod motor is used for adjusting the hinging angle of the bed backrest and the rear support beam; the bed body seat and the bed body backrest can respectively carry out movement at preset angles, and the bed body seat and the bed body backrest are combined to form a complete bed body.

In one embodiment of the utility model, the movable ends of the bed seat and the bed backrest are respectively hinged with the rear support beam and fixed through a sleeve.

In one embodiment of the utility model, a fixed end of the bed seat push rod motor is hinged to the bottom bracket through a first connecting piece, a push rod end of the bed seat push rod motor is fixed to the front end of the bed seat through a bed seat hinge piece, when the bed seat push rod motor retracts, the bed seat tilts downwards at a certain angle according to a hinge point at the sleeve, and when a push rod of the bed seat push rod motor extends, the bed seat rotates upwards until the bed seat keeps a horizontal position.

In one embodiment of the utility model, the fixed end of the bed backrest push rod motor is hinged to the bottom bracket through a second connecting piece, the push rod end of the bed backrest push rod motor is fixed to the bed backrest through a bed backrest hinge piece, when the push rod of the bed backrest push rod motor extends out, the bed backrest tilts upwards for a certain angle according to a hinge point at the sleeve, and when the push rod of the bed backrest push rod motor retracts, the bed backrest rotates downwards until the bed backrest keeps a horizontal position, and is stabilized at the upper end of the rear support beam.

In one embodiment of the utility model, the bed seat push rod motor and the bed backrest push rod motor both have a self-locking structure, and can realize the static state at a specified angle.

In one embodiment of the utility model, the bed body seat and the bed body backrest are respectively provided with a flexible material layer or a mattress, so that the body feeling comfort of the patient in the rehabilitation training is improved, and the patient can have a short rest.

In one embodiment of the utility model, the two sides of the bed body consisting of the bed body seat and the bed body backrest are respectively provided with a binding device, and the binding devices are used for fixing the body of a patient.

In one embodiment of the utility model, the restraining means is a restraining strip.

The bed seat and the bed backrest are driven to move relatively and reach an inclined state of a designated angle through the extension and retraction of the bed seat push rod motor and the bed backrest push rod motor, a rotating point is formed by utilizing the hinge mechanism in the relative movement of the bed seat and the bed backrest relative to the rear support beam of the bottom support, the change of the inclination angle is realized through the rising or falling of the bed under the pushing of the bed seat push rod motor and the bed backrest push rod motor, and the support is formed by utilizing the self-locking of the bed seat push rod motor and the bed backrest push rod motor, so that the stillness of the designated angle is realized.

The device can adjust the rehabilitation weight loss distribution of sitting type, horizontal type/inclined horizontal type in the rehabilitation process, and can also dynamically set the period of lower limb movement gait according to the training scheme, thereby ensuring the safety of a patient in the use process, stimulating active muscles by applying gait movement with certain intensity to the patient, and helping the patient to carry out lower limb rehabilitation training by matching with the functional training of the treatment scheme. The patient with mobility disability can finally recover certain perception capability and mobility capability through continuous gait training for a period of time, and even the patient can stand and walk independently.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

the inclined bed type lower limb rehabilitation device has three poses through the extension and retraction of the bed body push rod, when the push rod of the bed body seat push rod motor extends out and the push rod of the bed body back push rod motor retracts, the bed body keeps a horizontal position and is a horizontal bed body, when the push rod of the bed body seat push rod motor extends out and the push rod of the bed body back push rod motor extends out, the back rest inclines upwards for a certain angle through a hinge point, and the bed body is self-locked by the bed body push rod motor to form support, so that the bed body is static under a designated angle, the bed body is in a sitting posture at the moment, when the push rod of the bed body seat push rod motor retracts, and the push rod of the bed body back push rod motor extends out, the stabilization is realized through the self-locking support of the motor, the bed body is in an inclined posture at the moment, the whole inclination can be adjusted for controllable angles according to the specific conditions of a patient, different support weight-reducing training modes are formed, and the lower limb movement device adopts a unique internal gear set mechanism, the elliptical motion track of the ankle joint is realized, the sliding block at the bottom can adjust the position of the pedal according to the use habits of different patients, and can also perform forward and backward rehabilitation motions according to the pedal, so that the rehabilitation mechanism with controllable gait is a rehabilitation mechanism, the rehabilitation effect is improved, and the training scheme is convenient to adjust according to the requirements of different patients.

Drawings

Fig. 1 is a schematic perspective view of a slant bed type lower limb rehabilitation apparatus according to embodiment 1 of the present invention;

fig. 2 is a schematic front view of the inclined bed type lower limb rehabilitation device in embodiment 1 of the present invention;

fig. 3 is a schematic structural view of a horizontal posture of the inclined bed type lower limb rehabilitation device in embodiment 1 of the present invention;

fig. 4 is a schematic structural view of a posture of the inclined bed type lower limb rehabilitation device in embodiment 1 of the present invention;

fig. 5 is a schematic structural view of a lower limb movement mechanism in the inclined bed type lower limb rehabilitation device in embodiment 1 of the utility model.

The reference numbers in the figures indicate: 1. a bottom bracket; 2. a bed seat hinge; 3. a bed body seat; 4. a bed seat push rod motor; 5. a rear support beam; 6. a sleeve; 7. a first connecting member; 8. a bed body backrest; 9. a bed body backrest hinge; 10. a bed body backrest push rod motor; 11. a second connecting member; 12. driving a stepping motor; 13. a pulley; 14. a flange plate; 15. a large inner gear; 16. a crankshaft; 17. a crankshaft pulley; 18. a front support beam; 19. a synchronous belt is driven; 20. a small spur gear; 21. a pedal shaft sleeve; 22. a pedal; 23. a sliding table; 24. slip table push rod motor.

Detailed Description

The utility model is described in detail below with reference to the figures and specific embodiments.

Examples

Referring to fig. 1, the present embodiment provides an inclined bed type lower limb rehabilitation device, including a bottom bracket 1, two lower limb movement devices i and an inclined bed weight reduction device ii, which are disposed on the bottom bracket 1, where the two lower limb movement devices i are respectively corresponding to a left foot and a right foot, and the lower limb movement device i is used for driving a leg to realize an elliptical movement track of an ankle joint; the inclined bed weight reduction device II is used for supporting a body and providing three postures, namely a sitting posture, a horizontal posture and an inclined horizontal posture.

In this embodiment, two lower limbs telecontrol equipment I adopt a left and right symmetry mode of setting, and every lower limbs telecontrol equipment I can move respectively.

In the embodiment, two lower limb movement devices I are arranged at one end of the bottom bracket 1, and the inclined bed weight reducing device II is arranged at the other end of the bottom bracket 1.

Referring to fig. 1, in this embodiment, a groove is formed in the bottom bracket 1, a guide rail is arranged in the groove, and the lower limb movement device i is mounted on the guide rail and can move back and forth along the guide rail.

Referring to fig. 5, in this embodiment, the lower limb movement device i includes a driving stepping motor 12, a front support beam 18, a pedal 22, a sliding table 23 and a sliding table push rod motor 24, the sliding table 23 is disposed on the guide rail, the sliding table push rod motor 24 is connected to the sliding table 23 and is used for driving the sliding table 23 to move back and forth on the guide rail, the driving stepping motor 12 is disposed on the sliding table 23, the front support beam 18 is disposed on the sliding table 23, the pedal 22 is connected to the front support beam 18, and the driving stepping motor 12 is connected to the pedal 22 through a crank gear mechanism and is used for driving the pedal 22 to make an elliptical motion.

In this embodiment, the sliding table 23 is driven by the sliding table push rod motor 24, when the push rod of the sliding table push rod motor 24 extends out, the sliding table 23 is pushed out forwards, and when the push rod of the sliding table push rod motor 24 retracts, the sliding table 23 is retracted backwards.

In this embodiment, the bottom of the front support beam 18 is fixed to the slide table 23 by a reinforcing rib.

Referring to fig. 5, in the present embodiment, the crank gear mechanism includes a pulley 13, a flange 14, a large internal gear 15, a crankshaft 16, a crankshaft pulley 17, a transmission synchronous belt 19, and a small spur gear 20; the output end of the driving stepping motor 12 is connected with a belt wheel 13 through a flange 14, the large inner gear 15 is fixed at one end of a front supporting beam 18, the small spur gear 20 is meshed with the large inner gear 15, a through hole is formed in the upper portion of the front supporting beam 18, the crankshaft belt wheel 17 is arranged at the through hole, one end of a crankshaft 16 is connected with the crankshaft belt wheel 17, the other end of the crankshaft is connected with the small spur gear 20 and then connected with a pedal shaft sleeve 21, the pedal 22 is fixedly connected with the pedal shaft sleeve 21, one end of a transmission synchronous belt 19 is fixed at the belt wheel 13, and the other end of the transmission synchronous belt 19 is fixed at the crankshaft belt wheel 17 and tensioned; when the driving stepping motor 12 is started, the driving belt wheel 13 rotates to drive the transmission synchronous belt 19 and the crankshaft belt wheel 17 to rotate, and further drive the crankshaft 16 to rotate, and drive the small spur gear 20 to rotate in an elliptic track inside the large inner gear 15, so that the pedal 22 connected with the crankshaft 16 through the pedal shaft sleeve 21 performs elliptic motion, and a user can perform rehabilitation motion according to a preset gait.

In this embodiment, the inside both ends of 1 recess of bottom support are provided with slip table limit stopper, and slip table limit stopper cover is located on the guide rail to two limiting plates have, restricted 23 extreme positions of slip table through slip table limit stopper, the range of motion of having guaranteed the user's of equipment shank is in certain extent.

In this embodiment, the sliding table push rod motor 24 has a self-locking function when stopping, so that stability in a stagnation state can be ensured, and safety is improved.

In this embodiment, the foot plate 22 has a safety strap and a rear end stop plate for securing the foot of the patient.

Referring to fig. 5, in the present embodiment, the lower limb exercise device i includes a pedal exercise function and a gait adjustment function;

the gait adjustment is mainly realized by a sliding table push rod motor 24, and when a push rod of the sliding table push rod motor 24 is pushed out, the sliding table moves leftwards along with the guide rail; the pedal driving part is realized by a driving stepping motor 12, the transmission mode is belt transmission, and when the driving stepping motor 12 drives, a gear set is synchronously driven to rotate, so that the pedal does elliptic motion.

Referring to fig. 2, 3 and 4, in this embodiment, the inclined bed weight reduction device ii includes a bed seat 3, a bed back 8, the bed seat 3 and the bed back 8 are respectively hinged to a rear support beam 5, the rear support beam 5 is fixed to the bottom bracket 1, the bed seat 3 is further connected to a bed seat push rod motor 4, the bed seat push rod motor 4 is used for adjusting the hinge angle between the bed seat 3 and the rear support beam 5, the bed back 8 is further connected to a bed back push rod motor 10, and the bed back push rod motor 10 is used for adjusting the hinge angle between the bed back 8 and the rear support beam 5; the bed seat 3 and the bed backrest 8 can respectively perform movement at preset angles, and the two are combined to form a complete bed.

Referring to fig. 2, in the present embodiment, the movable ends of the bed seat 3 and the bed back 8 are respectively hinged with the rear support beam 5 and fixed by the sleeve 6.

Referring to fig. 2, in this embodiment, a fixed end of the bed seat push rod motor 4 is hinged to the bottom bracket 1 through a first connecting member 7, a push rod end of the bed seat push rod motor 4 is fixed to a front end of the bed seat 3 through a bed seat hinge member 2, when the bed seat push rod motor 4 retracts, the bed seat 3 tilts downward at a certain angle according to a hinge point at the sleeve 6, and when the push rod of the bed seat push rod motor 4 extends, the bed seat 3 rotates upward until the horizontal position is maintained.

Referring to fig. 2, in this embodiment, the fixed end of the bed back push rod motor 10 is hinged to the bottom bracket 1 through a second connecting member 11, the push rod end of the bed back push rod motor 10 is fixed to the bed back 8 through a bed back hinge member 9, when the push rod of the bed back push rod motor 10 extends, the bed back 8 tilts upward by a certain angle according to the hinge point at the sleeve 6, and when the push rod of the bed back push rod motor 10 retracts, the bed back 8 rotates downward until the horizontal position is maintained, and is stabilized at the upper end of the rear support beam.

In this embodiment, the bed seat push rod motor 4 and the bed backrest push rod motor 10 both have self-locking structures, and can realize the stillness at a specified angle.

In this embodiment, all be provided with flexible material layer or mattress on bed body seat 3 and the bed body back 8 for improve the body of patient and feel the comfort level in the rehabilitation training, can also provide the patient simultaneously and carry out transient rest.

In this embodiment, the two sides of the bed body composed of the bed body seat 3 and the bed body backrest 8 are respectively provided with a binding device for fixing the body of the patient. The binding device adopts a binding belt.

In this embodiment, the bottom bracket 1 is made of a hollow square tube by welding a connecting piece and fixing a screw.

In this embodiment, the bed seat 3 and the bed back 8 are driven to move relatively to each other and reach an inclined state at a designated angle by the extension and retraction of the bed seat push rod motor 4 and the bed back push rod motor 10, a pivot point is formed by the hinge mechanism in the relative movement of the bed seat 3 and the bed back 8 with respect to the rear support beam 5 of the bottom bracket 1, the change of the inclination angle is realized by the ascending or descending of the bed under the push of the bed seat push rod motor 4 and the bed back push rod motor 10, and the support is formed by the self-locking of the bed seat push rod motor 4 and the bed back push rod motor 10, so as to realize the stillness at the designated angle.

When a patient has certain lower limb strength, the training scheme can be adjusted, the push rod of the bed backrest push rod motor 10 of the bed backrest 8 is extended out, the push rod of the bed seat push rod motor 4 of the bed seat 3 is retracted, the bed seat and the bed backrest are kept horizontal and inclined at a certain angle, the patient can lie on the bed body in an inclined mode, the weight of the patient is reduced to a certain degree through the bed body, the feet of the patient are fixed on the pedal 22, and passive or semi-active assistance is carried out to rehabilitation training through rotation of the lower limb movement device I.

Because the patient is not enough in lower limb strength in rehabilitation training, the body can slide down or fall over, therefore, the front side and the back side of the bed body are respectively provided with a binding device, the safety problem is avoided, the sliding block 23 of the lower limb movement device I can move back and forth, the bed is suitable for patients with various heights and body types, the applicability of the equipment is enhanced, the two ends of the sliding block 23 are provided with sliding table limit limiters which are sleeved on the guide rail and are provided with two limiting plates, the limit positions are limited by the sliding table limit limiters, the movement amplitude of the legs of the patient is ensured to be within a certain range, the bottom bracket 1 is provided with a balancing weight to prevent the side turning or please achieve the phenomenon in the using process, the sliding table push rod motor 24 and the bed seat push rod motor 4 of the lower limb movement device and the bed backrest push rod motor 10 can adopt multi-section electric push rod motors, and the bed backrest push rod motor has small volume, The self-locking performance is good and the precision is high.

When the slant bed type lower limb rehabilitation device with controllable gait of the embodiment is used, a patient firstly sits on a bed seat 3 and is tied with a binding belt, feet are placed on a pedal 22 and connected with a safety binding belt, a bed seat push rod motor 4 and a bed backrest push rod motor 10 of the bed seat 3 and a bed backrest 8 respectively extend out and retract to adjust proper poses, the bed seat push rod motor 4 and the bed backrest push rod motor 10 are self-locked to form support when the device is stopped, the rest under a specified angle is realized, the safety and reliability of the device are ensured, then a sliding table push rod motor 24 of a lower limb movement unit moves, the proper position of the pedal 22 is adjusted according to the posture of the patient, a stepping motor 12 is driven to drive a transmission synchronous belt 19 and a crankshaft belt pulley 17 to transmit, so that the pedal 22 drives an ankle joint to perform elliptic track movement according to a certain speed, and simultaneously, the gait movement of stretching and bending legs is smoothly completed, can realize the synchronous/alternate flexion and extension coordinated movement of single leg/double legs and passive/semi-active two sides, and simultaneously the patient can realize the lower limb rehabilitation training under the weight loss of different poses, levels, sitting and inclination angles.

The device provided by the embodiment is reasonable in structural design, has universality, adapts to different requirements of different patients, provides multiple training postures and training modes for the patients in rehabilitation training, comprises a horizontal pose, an inclined pose and a sitting pose, and also comprises a pedal movement gait and a sliding block assistance type gait in the training modes, so that the single-leg/double-leg passive/semi-active bilateral synchronous/alternate bending and stretching coordinated movement can be realized, and a better rehabilitation training effect is achieved.

The embodiments described above are intended to facilitate the understanding and use of the utility model by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.

Claims (8)

1. The inclined bed type lower limb rehabilitation equipment is characterized by comprising a bottom support (1), two lower limb movement devices (I) and an inclined bed weight reduction device (II), wherein the lower limb movement devices (I) are arranged on the bottom support (1) and respectively correspond to a left foot and a right foot, the lower limb movement devices (I) are used for driving legs to realize elliptical movement tracks of ankle joints, and the inclined bed weight reduction device (II) is used for supporting a body and providing three postures, namely a sitting posture, a horizontal posture and an inclined horizontal posture;

a groove is formed in the bottom support (1), a guide rail is arranged in the groove, and the lower limb movement device (I) is mounted on the guide rail and can move back and forth along the guide rail; the lower limb movement device (I) comprises a driving stepping motor (12), a front support beam (18), a pedal (22), a sliding table (23) and a sliding table push rod motor (24), wherein the sliding table (23) is arranged on a guide rail, the sliding table push rod motor (24) is connected with the sliding table (23) and used for driving the sliding table (23) to move back and forth on the guide rail, the driving stepping motor (12) is arranged on the sliding table (23), the front support beam (18) is arranged on the sliding table (23), the pedal (22) is connected on the front support beam (18), and the driving stepping motor (12) is connected with the pedal (22) through a crank gear mechanism and used for driving the pedal (22) to do elliptic movement;

the crank gear mechanism comprises a belt pulley (13), a large inner gear (15), a crankshaft (16), a crankshaft belt pulley (17), a transmission synchronous belt (19) and a small spur gear (20);

the output end of the driving stepping motor (12) is connected with a belt wheel (13), the large inner gear (15) is fixed at one end of a front supporting beam (18), the small straight gear (20) is meshed with the large inner gear (15), a through hole is formed in the upper portion of the front supporting beam (18), the crankshaft belt wheel (17) is arranged at the through hole, one end of a crankshaft (16) is connected with the crankshaft belt wheel (17), the other end of the crankshaft (16) is connected with a pedal shaft sleeve (21) after being connected with the small straight gear (20), the pedal (22) is fixedly connected with the pedal shaft sleeve (21), one end of a transmission synchronous belt (19) is fixed at the belt wheel (13), and the other end of the transmission synchronous belt (19) is fixed and tensioned at the crankshaft belt wheel (17);

when the driving stepping motor (12) is started, the driving belt wheel (13) rotates to drive the transmission synchronous belt (19) and the crankshaft belt wheel (17) to rotate, so that the crankshaft (16) is driven to rotate, the small straight gear (20) is driven to rotate in an elliptic track manner inside the large inner gear (15), and the pedal (22) connected with the crankshaft (16) through the pedal shaft sleeve (21) is made to do elliptic motion.

2. The inclined bed type lower limb rehabilitation device as claimed in claim 1, wherein sliding table limit limiters are arranged at two ends inside the groove of the bottom support (1), the sliding table limit limiters are sleeved on the guide rails, and limit positions of the sliding table (23) are limited by the sliding table limit limiters.

3. The slant bed type lower limb rehabilitation device according to claim 1, wherein the sliding table push rod motor (24) has a self-locking function when stopped.

4. The inclined bed type lower limb rehabilitation device according to claim 1, wherein the inclined bed weight reduction device (II) comprises a bed seat (3), a bed backrest (8), the bed seat (3) and the bed backrest (8) are respectively hinged on a rear support beam (5), the rear support beam (5) is fixed on a bottom support (1), the bed seat (3) is further connected with a bed seat push rod motor (4), the bed seat push rod motor (4) is used for adjusting the hinged angle of the bed seat (3) and the rear support beam (5), the bed backrest (8) is further connected with a bed backrest push rod motor (10), and the bed backrest push rod motor (10) is used for adjusting the hinged angle of the bed backrest (8) and the rear support beam (5);

the bed body seat (3) and the bed body backrest (8) can respectively move at preset angles, and the bed body seat and the bed body backrest are combined to form a complete bed body.

5. The inclined bed type lower limb rehabilitation device as claimed in claim 4, wherein the movable ends of the bed seat (3) and the bed backrest (8) are respectively hinged with the rear supporting beam (5) and fixed through the sleeve (6).

6. The inclined bed type lower limb rehabilitation device as claimed in claim 4, wherein the fixed end of the bed seat push rod motor (4) is hinged on the bottom bracket (1) through a first connecting piece (7), and the push rod end of the bed seat push rod motor (4) is fixed at the front end of the bed seat (3) through a bed seat hinge piece (2).

7. The inclined bed type lower limb rehabilitation device as claimed in claim 4, wherein the fixed end of the bed backrest push rod motor (10) is hinged on the bottom bracket (1) through a second connecting piece (11), and the push rod end of the bed backrest push rod motor (10) is fixed on the bed backrest (8) through a bed backrest hinge piece (9).

8. The inclined bed type lower limb rehabilitation device as claimed in claim 4, wherein the bed seat push rod motor (4) and the bed backrest push rod motor (10) are both provided with self-locking structures, and can realize the static state at a specified angle.

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