CN112022630A - Waist rehabilitation training device - Google Patents

Abstract

The invention discloses a waist rehabilitation training device, comprising a device bottom plate, a base, a backrest plate, a disc seat plate, an armrest frame, an auxiliary standing device, an auxiliary waist twisting device, and an auxiliary standing device. The auxiliary stand-up device realizes the rotation of the backrest plate through the screw motor and the link-slider mechanism, and assists the patient to complete the training from lying position to sitting position; Waist twist training; the auxiliary standing device controls the lifting and lowering of the armrest frame through the cam mechanism, and assists the patient to realize the training from sitting to standing. The present invention assists patients to exert their own power through motor drive, which can reduce the risk of secondary injury during the rehabilitation process; meanwhile, it can meet different degrees of rehabilitation needs by adjusting the working time, speed and power of the motor; the device is suitable for lying, sitting, standing The three pose changes also effectively solve the problem that the training form of related devices on the market is relatively simple.

Description

A waist rehabilitation training device

technical field

The invention belongs to the technical field of medical devices, and in particular relates to a waist rehabilitation training device.

Background technique

With the change of lifestyle caused by the rapid development of science and technology, especially the development of a series of electronic products, people of different ages are becoming more and more accustomed to sitting and lying down for a long time, which will cause the waist muscles to develop a state for a long time - long-term Tightness or prolonged stretching can lead to fatigue in the lower back. The modern office also makes the waist of more and more office workers in a state of full load or even overload for a long time; factors such as the growth of the elderly population also inevitably increase the occurrence of waist diseases.

In order to meet the market's requirements for waist rehabilitation training devices to be able to complete multi-position rehabilitation training actions, and for patients with waist diseases who encounter secondary injuries during waist-twisting, lying-sitting, sitting-up and other waist rehabilitation exercises Dangerous; the vast majority of patients have expectations for this medical device, and the related rehabilitation training devices have not yet been popularized, and the number of users is not large.

SUMMARY OF THE INVENTION

Aiming at the problems existing in the prior art, the present invention provides a waist rehabilitation training device, which can enable the patient to be driven by the power of the device and be assisted to complete the rehabilitation from the lying state to the sitting state, the waist twisting state, and the sitting and lying state. -Rehabilitation-assisted movement in the standing state can reduce the load on the patient during the rehabilitation training process and achieve the purpose of rehabilitation training to avoid secondary injury.

In order to achieve the above purpose, the present invention adopts the following technical solutions: a waist rehabilitation training device, characterized in that: it includes a bottom plate, a base, a backrest plate, a connecting plate, a disc seat plate, and an armrest frame; the bases are respectively arranged vertically Above the bottom plate, the backrest board, the connecting board, the disc seat board and the armrest frame are arranged on the right side, the middle position and the left side of the base system in sequence; the backrest board is hinged with the base system, and the backrest board is relatively The base has a degree of freedom of vertical and axial swing; the connecting plate and the base system are fixed by bolts and nuts; the disc seat plate and the base system are connected by a limit, and have a degree of freedom of horizontal axial swing relative to the base system; The armrest frame is connected with the cam high pair through rollers, and has a vertical axial translation freedom degree relative to the base system.

The left end of the backboard is hinged with the base system through a pin, so that the backboard has a center of rotation; the middle part of the backboard is hinged with the connecting rod, and the connecting rod is hinged with the screw casing to form a slider linkage mechanism, and in the A first drive motor is installed below it, and the rotation of the ball screw motor drives the vertical displacement of the screw casing to drive the vertical axial swing movement of the backrest plate relative to the base.

The base system is provided with a second drive motor, and the gears installed on the motor shaft and the outer ring gears form a first pair of gear meshing transmissions, and then through the concentric rotation of the gear shafts, the upper gear and the disc seat plate are connected. The internal gears of the two meshes are meshed to form a second pair of gear transmissions to realize the horizontal axial swing motion of the disc seat plate.

The base system is provided with a third drive motor, and the gears installed on the motor shaft and the outer ring gears form a first pair of gear meshing transmissions, and then through the concentric rotation of the gear shafts, the upper gear and the disc seat plate are connected. The internal gears of the two meshes are meshed to form a second pair of gear transmissions to realize the horizontal axial swing motion of the disc seat plate.

Both the second drive motor and the third drive motor respectively control the clockwise and counterclockwise swing motion of the disc seat relative to the base system board, and control the rotational speed and the rotational amplitude through the motor speed and working time, respectively, To achieve a more accurate rehabilitation training effect.

The handrail and the roller are hinged through the pin shaft, the roller is connected with the cam, the transmission shaft and the cam are fixed to achieve synchronous rotation, and the transmission shaft and the motor shaft are fixedly connected to achieve synchronous rotation through the sleeve, It is driven by the fourth drive motor installed on the base system.

The two bosses of the connecting plate at the middle position are provided with through holes, which are connected with the connecting piece by countersunk bolts, and the connecting piece is connected with the base system by screws.

The front and rear ends of the right side of the connecting plate at the middle position are provided with two through holes, which are respectively fixed with the connecting piece by bolts and nuts, and the connecting piece is connected with the handrail by screws, and the inclination angle is adjustable.

When the device is in the initial state, similar to an ordinary reclining chair, the patient can lie on the device, put both arms on the semi-straight arm and semi-arched armrests, and the back is close to the backboard, so that the patient can have a Safer and more comfortable product use environment.

When the patient is in a sitting state, back against the backboard, and sit on the disc seat with the buttocks to limit the patient's displacement relative to the disc seat through the limit pads, and at the same time, hold both hands tightly on the armrests on both sides, so that the patient can be When the device is in the second state for twisting waist rehabilitation training, it can have a safer and more comfortable product use environment.

When the patient is in a sitting position, they can place their arms on the left semicircular armrest while their feet are slightly open, and they are in the third state. The operation of the cam mechanism is driven by the motor to complete the waist rehabilitation training from sitting to standing.

The beneficial effects of the present invention are:

Compared with the existing device, the present invention can control the power, rotational speed and working time of each drive motor under the condition of different rehabilitation needs of the patient, which can better assist the patient to exert his own strength, and effectively reduce the problems caused by the patient himself during the rehabilitation process. Risk of secondary injury caused by improper force. By adding armrests, limit pads and other elements, it also ensures better safety and comfort for patients when using the device. At the same time, a one-direction, one-drive motor is set in the waist-twisting rehabilitation mechanism, which effectively reduces the return travel difference of the gear during the reciprocating rotation. The invention also realizes a collection of various rehabilitation training movements. The invention can realize various rehabilitation training movements from lying down to sitting, twisting waist for rehabilitation training, and from sitting and lying down to standing. The posture changes are more comprehensive and diverse, and a better rehabilitation training effect can be achieved.

Description of drawings

Fig. 1 is the structural representation of the axonometric drawing of the present invention;

Fig. 2 is the structural representation of the upper and lower two isometric axonometric drawings of the present invention;

Figure 3 is a front view of the present invention

FIG. 4 is a top view of FIG. 3

FIG. 5 is a side view of FIG. 3

Figure 6 is an axonometric view of the device in the process of moving from the first state to the second state

Figure 7 is the axonometric view of the device in the process of realizing the rehabilitation training of twisting waist assistance

Figure 8 is an axonometric view of the device in the process of moving from the second state to the third state

In the figure, 1-base plate, 2-base 1, 3-cam, 4-rotating shaft, 5-roller, 6-armrest frame,

7- Armrest 1, 8- Gear 2, 9- Gear shaft, 10- Disc seat plate, 11- Limit pad, 12- Gear 1, 13- Base 2, 14- Gear 3, 15- Armrest 2, 16 -connecting plate, 17-connecting piece 1, 18-connecting piece 2, 19-connecting piece 3, 20-backrest plate, 21-connecting rod, 22-pin shaft, 23-screw housing, 24-base 3.

Detailed ways

The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

As shown in Figures 1, 2, and 3, the waist rehabilitation training device designed by the present invention includes a base plate, a base 1, a cam, a rotating shaft, a roller, an armrest bracket, an armrest 1, a gear 2, a gear shaft, a disc seat, a limited Position pad, gear 1, base 2, gear 3, armrest 2, connecting plate, connecting piece 1, connecting piece 2, connecting piece 3, movable backrest, connecting rod, pin shaft, screw shell, base 3 and other main components; The bases 1-3 are placed on the bottom plate in turn, and are connected by high-strength bolts and nuts; the backrest plate 20, the connecting plate 16, the disc seat plate 10, and the armrest 7 are sequentially arranged on the right side of the base system, the middle position and the Left side; the backrest plate 20 is hinged with the base 24, and the backrest plate 20 has a vertical axial swing freedom relative to the base 24; the connecting plate 16 and the base 13 are fixed by bolts and nuts; the disc seat The plate 10 is connected with the base 13 through a limit, and has a horizontal axial swing degree of freedom relative to the base 13 ;

The left end of the backboard 20 is hinged with the base 24 through a pin, so that the backboard has a center of rotation; the middle part of the backboard 24 is hinged with the connecting rod 21, and the connecting rod 21 is hinged with the screw casing 23 to form a slider connection. A first drive motor is installed below the rod mechanism. The rotation of the ball screw motor drives the vertical displacement of the screw casing 23 to drive the vertical axial swing movement of the backboard 20 relative to the base 24 .

The base system is provided with a second drive motor, the gear 12 installed on the motor shaft and the outer ring gear 8 form a first pair of gear meshing transmission, and then through the concentric rotation of the gear shaft 9, the upper gear and the disc are connected. The inner gears of the seat panel 10 are meshed to form a second pair of gear transmissions, so as to realize the horizontal axial swing motion of the disc seat panel 10 .

The base system is provided with a third drive motor, the gear 12 installed on the motor shaft and the outer ring gear 8 form a first pair of gear meshing transmission, and then through the concentric rotation of the gear shaft 9, the upper gear and the disc are driven. The inner gears of the seat panel 10 are meshed to form a second pair of gear transmissions, so as to realize the horizontal axial swing motion of the disc seat panel 10 .

Both the second drive motor and the third drive motor respectively control the clockwise and counterclockwise swing motion of the disc seat relative to the base system board, and control the rotational speed and the rotational amplitude through the motor speed and working time, respectively, It is used to achieve a more accurate rehabilitation training effect and reduce the return difference.

The handrail 7 and the roller 5 are hinged through a pin, the roller 5 is connected with the cam 3, the transmission shaft 4 and the cam are fixed to realize synchronous rotation, and the transmission shaft 4 and the motor shaft are connected by a sleeve. The fixed connection realizes synchronous rotation, which is driven by the fourth drive motor installed on the base 2 .

The two bosses of the connecting plate 16 at the middle position are provided with through holes, which are connected with the connecting piece 17 by countersunk bolts, and the connecting piece 17 is connected with the base 13 by screws.

The right front and rear ends of the connecting plate 16 at the middle position are provided with two through holes, which are respectively fixed with the connecting piece 18 by bolts and nuts.

When the device is in the initial state, similar to an ordinary reclining chair, the patient can lie on the device, put both arms on the semi-straight arm and semi-arched armrests 15, and the back is close to the backrest plate 20, so that the patient can perform rehabilitation training. There is a safer and more comfortable environment for product use.

When the patient is in a sitting state, back against the backboard 20 and sit on the disc seat plate 10 with the buttocks to limit the displacement of the patient relative to the disc seat 11 by the limit pads, and at the same time hold the armrests 15 on both sides tightly with both hands, It enables the patient to have a safer and more comfortable product use ring when the whole device is in the second state for waist twisting rehabilitation training.

When the patient is in a sitting state, the patient can place his arms on the left semicircular armrest 15, and at the same time open his feet slightly, at this time in the third state. The operation of the cam 3 is driven by the motor to complete the waist rehabilitation training from sitting to standing.

The one-time use process of the present invention will be described below with reference to the accompanying drawings.

First of all, the patient needs to formulate a waist rehabilitation training plan under the guidance of relevant professionals according to the actual injury of the patient's waist.

Before starting the rehabilitation training, the patient needs to lie down on the waist rehabilitation training device of the present invention as an initial state.

Option 1: Assisted rehabilitation training from lying position to sitting position.

The operation of the ball screw mechanism is realized by controlling the rotation of the first screw driving motor, thereby driving the displacement of the screw casing 23 in the vertical direction, and the screw casing 23 is connected with the backboard 20 through the connecting piece 21 , the screw casing 23 is connected with the connecting piece 21 through a pin, the connecting piece 21 is connected with the backboard 20 through a pin, and the base 24 forms a slider linkage mechanism, and the movement of the screw casing 23 in the vertical direction drives the backrest The rotation of the plate 20 in the vertical axial direction ranges from 0 to 90° of rotation.

Option 2: One-way twist waist-assisted rehabilitation training in a sitting position.

This is achieved by controlling the second drive motor. The motor rotates to drive the gear 12 installed on the motor shaft and the outer ring gear 8 to form a meshing transmission of the first pair of gears, and then through the concentric rotation of the gear shaft 9, the upper gear meshes with the inner gear of the disc seat plate 10 A second pair of gear transmissions are formed to realize the horizontal axial unidirectional swing motion of the disc seat panel 10 .

Option 3: Rehabilitation training in the other direction of waist twisting in a sitting position.

It is realized by controlling the third drive motor. The motor rotates to drive the gear 12 installed on the motor shaft and the outer ring gear 8 to form a meshing transmission of the first pair of gears, and then through the concentric rotation of the gear shaft 9, the upper gear meshes with the inner gear of the disc seat plate 10 A second pair of gear transmissions is formed to realize the swinging motion of the horizontal axis of the disc seat panel 10 in the other direction.

Option 4: Reciprocal twisting waist-assisted rehabilitation training in a sitting position.

A combination of Option 2 and Option 3. It is realized by controlling the second and third drive motors. The motor rotates to drive the gear 12 installed on the motor shaft and the outer ring gear 8 to form the meshing transmission of the first pair of gears, and then through the concentric rotation of the gear shaft 9, the upper gear meshes with the inner gear of the disc seat plate. The second pair of gears is driven to realize the unilateral swing movement of the horizontal axis of the disc seat panel 10 . The working time of the two motors, the rotational speed of the motors, etc. can be controlled to adjust and formulate the reciprocating rotation motion law of the disc seat panel 10 .

Option 5: Assisted rehabilitation training from sitting to standing.

By controlling the rotation of the fourth drive motor to drive the rotation of the transmission shaft 4, the motor shaft and the transmission shaft 4 are connected by a sleeve, the transmission shaft 4 and the cam 3 are connected by bolts, and the cam 3 rotates to drive the rollers connected to the high pair. 5. Rotate to drive the up and down displacement of the armrest bracket 7 in the vertical direction, thereby assisting the patient to realize the rehabilitation assistance training from the sitting posture to the standing posture. On the contrary, through the reverse rotation of the fourth driving motor, the patient can be assisted to realize the rehabilitation assistance training from the standing posture to the sitting posture.

When carrying out plan 1, according to the needs of the patient, you can choose to fully lie down or slightly lift the head and shoulders for rehabilitation training, or you can choose to slightly straighten or bend your legs for rehabilitation training to achieve better performance. Comfort and better rehabilitation training.

The solutions in the embodiments are not intended to limit the protection scope of the invention of the present invention, but any so-called equivalent implementation or modification that departs from the present invention is included in the scope of the invention of the present invention.

Claims (7)

1. The utility model provides a waist rehabilitation training device which characterized in that: comprises a device bottom plate, a base, a backrest plate, a disc seat plate, an armrest frame, an auxiliary rising device, an auxiliary waist twisting device and an auxiliary standing device; the backrest plate, the connecting plate, the disc seat plate and the armrest frame are sequentially arranged on the right side, the middle position and the left side of the base system; the backrest plate is hinged with the base system, and the backrest plate and the base have vertical axial swinging freedom degree; the connecting plate and the base system are fixed through bolts and nuts; the disc seat plate is connected with the base system through limiting, and has horizontal axial swinging freedom degree relative to the base system; the armrest frame is connected with the cam high pair through the roller, and has vertical axial translation freedom degree relative to the base system.

2. The waist rehabilitation training device according to claim 1, wherein: the left end of the backrest plate is hinged with the base system through a pin shaft, so that the backrest plate has a rotation center; the middle part of the back board is hinged with a connecting rod, the connecting rod is hinged with a screw rod outer sleeve to form a sliding block connecting rod mechanism, a first driving motor is arranged below the connecting rod mechanism, and the ball screw motor rotates to drive the screw rod outer sleeve to move in the vertical direction so as to drive the back board to swing and rotate in the vertical axial direction relative to the base.

3. The waist rehabilitation training device according to claim 1, wherein: the base system is provided with a second driving motor and a third driving motor, a first pair of gears are meshed and driven through a gear arranged on a motor shaft and an outer ring gear, a second pair of gears are meshed and driven through concentric rotation of a gear shaft, and an upper side gear is meshed with an inner gear of the disc seat plate to form a second pair of gears, so that the horizontal axial direction bidirectional swinging and rotating movement of the disc seat plate is realized.

4. The waist rehabilitation training device according to claim 1, wherein: the second driving motor and the third driving motor respectively control the disc seat to swing and rotate clockwise and anticlockwise relative to the base system plate, the rotating speed and the rotating amplitude are controlled through the rotating speed and the working time of the motor respectively, the rehabilitation training contents with different degrees are completed, and compared with a mode that one motor controls two directions, the mode effectively reduces return stroke difference.

5. The waist rehabilitation training device according to claim 1, wherein: the handrail is hinged with the roller through a pin shaft, the roller is connected with the cam in a high-pair mode, the transmission shaft and the cam are fixed to achieve synchronous rotation, the transmission shaft and the motor shaft are fixedly connected through a sleeve to achieve synchronous rotation, and the handrail and the roller are driven by a fourth driving motor installed on the base system.

6. The waist rehabilitation training device according to claim 1, wherein: the first, second, third and fourth driving motors can regulate and control power, rotating speed and working time under the condition that the rehabilitation requirements of the patient are different, so that the patient can be better assisted to exert force, and the risk of secondary injury caused by improper exertion of force of the patient in the rehabilitation process is effectively reduced.

7. The waist rehabilitation training device according to claim 1, wherein: the device is suitable for various pose changes such as lying, sitting, standing and the like, and effectively solves the problem that the related rehabilitation device in the market has single training form and posture.

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