CN106859919B - Real-time measurable lower limb health training device - Google Patents

Abstract

The invention discloses a real-time measurable lower limb health training device which comprises: the lower limb training auxiliary tool comprises a lower limb training machine, an adjusting device and a real-time measurable lower limb training auxiliary tool, wherein the adjusting device comprises an angle adjusting mechanism and a horizontal movement mechanism for driving the angle adjusting mechanism to horizontally displace; the real-time measurable lower limb training assistive device comprises an assistive device upper support and an assistive device lower support, wherein the front end of the assistive device upper support is hinged with the upper end of the assistive device lower support to form a revolute pair, the rear end of the assistive device upper support is hinged on a seat, and the lower end of the assistive device lower support is hinged on a pedal; the auxiliary tool upper support and the auxiliary tool lower support are respectively provided with a leg tray, a knee joint angle sensor is arranged at the position of a hinge point of the auxiliary tool upper support and the auxiliary tool lower support, and a hip joint angle sensor is arranged at the position of the hinge point of the auxiliary tool upper support and the seat. The invention can be used as a rehabilitation trainer during active training and can be used as a fitness device to strengthen the physique.

Description

A real-time measurable lower limb health training device

Technical field:

The invention relates to a real-time measurable lower limb health training device, which belongs to the field of rehabilitation medicine and sports fitness equipment.

Background technique:

The increasing degree of aging society, stroke, spinal cord injury and other reasons lead to the reduction of limb function and movement, or even complete loss, which seriously affects the quality of life. Rehabilitation treatment is an effective way to restore motor function. The traditional one-on-one rehabilitation treatment method between physical therapists and patients has the disadvantages of high labor intensity and high treatment costs. Therefore, rehabilitation training equipment is an effective way to solve this contradiction. Since the middle of the last century, many achievements have been made in rehabilitation training equipment, such as single-degree-of-freedom, exoskeleton, suspension and so on. But they have the following deficiencies: complex operation, single form of exercise, incapability of real-time monitoring of the user's exercise state, inability to adapt to training in various postures, etc. It has certain practical significance to develop a real-time measurable lower limb rehabilitation training device.

Invention content:

In order to overcome the defects of the prior art, the purpose of the present invention is to provide a simple and compact structure, a wide range of applications, which can be applied to the rehabilitation and fitness training of the lower limbs, and can realize real-time measurable lower limbs in multiple postures of lying, sitting and standing. Health training device.

The present invention solves technical problem and adopts following technical scheme:

A real-time measurable lower limb health training device:

The real-time measurable lower limb health training device includes a lower limb training machine, an adjustment device and a real-time measurable lower limb training aid, and the adjustment device includes an angle adjustment mechanism and a horizontal motion mechanism that drives the horizontal displacement of the angle adjustment mechanism;

The lower limb training machine is fixed on the cover plate of the angle adjustment mechanism;

Both sides of the horizontal motion mechanism are provided with a support frame and a seat supported by the support frame, and a controllable slide rail is arranged on the support frame along the length direction of the horizontal motion mechanism, and the seat passes through The sliding block is arranged on the controllable slide rail;

The real-time measurable lower limb training auxiliary device includes an auxiliary device upper bracket and an auxiliary device lower bracket. The front end of the auxiliary device upper bracket is hinged with the upper end of the auxiliary device lower bracket to form a rotating pair. It is hinged on the seat, and the lower end of the lower bracket of the auxiliary device is hinged on the pedal;

A leg tray is respectively arranged on the upper bracket of the auxiliary device and the lower bracket of the auxiliary device, and a knee joint angle sensor is arranged at the hinge point of the upper bracket of the auxiliary device and the lower bracket of the auxiliary device, and the upper bracket of the auxiliary device and the seat The hinge point position is provided with a hip joint angle sensor.

Structural features of the present invention also are:

Both the upper bracket of the auxiliary device and the lower bracket of the auxiliary device are of two-stage structure, and the length is adjustable.

The angle adjustment mechanism includes the cover plate, the base plate, and the linear push rod; the cover plate and the base plate are hinged at the bottom edge, one end of the linear push rod is hinged with the middle of the cover plate, and the other One end is hinged with the front edge of the bottom plate to form a four-bar mechanism.

The horizontal motion mechanism includes a motor, a lead screw, a guide rail and a slide block. One end of the lead screw is connected to the output shaft of the motor through a coupling, and the other end is connected to the middle of the slide block to form a spiral pair. The guide rail is used to support and guide the slider; the bottom plate of the angle adjustment mechanism is fixed on the slider.

Both sides of the lower limb training machine are respectively provided with pedals, and a pressure sensor is provided in each of the pedals.

The support frame of the seat is a liftable support frame, armrests are fixed on both sides of the seat, and an armrest bar is connected between the two armrests, and a heart rate detection sensor is arranged on the armrest bar ; One end of the handrail rod is hinged on one of the handrails, and the other end is movably connected to the other handrail.

The seat has a cushion body and a backrest, the cushion body is arranged on a sliding block, and a rotating chassis structure for realizing rotation and fixing of the seat is arranged between the cushion body and the sliding block.

Compared with the prior art, the beneficial effects of the present invention are reflected in:

The invention can monitor the exercise state of the user in real time, and can realize active and passive rehabilitation training.

The invention has a wide range of applications and various rehabilitation training modes. During the use process, active/passive training can be realized and the training status of the user can be measured and fed back in real time, such as the state of the balance of the movement of the legs, the state of the stretch of the legs, and the heart rate value during exercise, etc., which is beneficial to the user. Rehabilitation.

The invention has a compact and flexible structure, can be retracted freely, can shrink when not in use, and occupies little space.

The present invention can not only be used as a rehabilitation trainer during active training, but also can be used as a fitness apparatus to enhance physical fitness.

Description of drawings:

Fig. 1 is a structural schematic diagram of the present invention; Fig. 2 is a schematic structural diagram of the connection relationship between a horizontal motion mechanism, an adjustment mechanism and a training machine.

Labels in the figure: 1 motor, 2 lead screw, 3 guide rail, 4 slider, 5 bottom plate, 6 cover plate, 7 training machine, 8 linear actuator, 9 handrail rod, 10 heart rate detection sensor, 11 support frame, 12 seat , 13 controllable slide rails, 14 pedals, 15 pressure sensors, 16 armrests, 17 upper support for auxiliary equipment, 18 lower support for auxiliary equipment, 19 knee joint angle sensor, 20 hip joint angle sensor, 121 cushion body, 122 backrest,

The present invention will be further described below through specific embodiments and in conjunction with the accompanying drawings.

Detailed ways:

Embodiment: The real-time measurable lower limb health training device of the present invention includes a lower limb training machine, an adjustment device, and a real-time measurable lower limb training aid. Motion mechanism;

The lower limb training machine 7 is fixed on the cover plate 6 of the angle adjustment mechanism. For the structure of the training machine, see the prior application of 2015104980520. Foot pedals 14 are respectively arranged on both sides of the training machine, and pressure sensors 15 are arranged in each foot pedal 14 . It can detect the user's plantar pressure in real time, which is convenient for observing the user's training balance and helping the user to adjust the training state.

Both sides of the horizontal motion mechanism are provided with a support frame 11 and a seat 12 supported by the support frame 11, the support frame 11 is provided with a controllable slide rail 13 along the length direction of the horizontal motion mechanism, and the seat 12 is located on the On the controllable slide rail 13.

The aforementioned real-time measurable lower limb training aids include an upper aid bracket 17 and an aid lower bracket 18, the front end of the aid upper bracket 17 is hinged with the upper end of the aid lower bracket 18 to form a revolving pair, and the rear end of the aid upper bracket 17 It is hinged on the seat 12, and the lower end of the lower bracket 18 of the auxiliary device is hinged on the pedal 14;

A leg tray is respectively arranged on the auxiliary device upper bracket 17 and the auxiliary device lower bracket 18, and a knee joint angle sensor 19 is arranged at the hinge point position of the auxiliary device upper bracket 17 and the auxiliary device lower bracket 18. 17 and the hinge point position of seat 12 are provided with hip joint angle sensor 20. Real-time measurement and feedback of the exercise status of the trainer's lower limbs.

The upper bracket 17 of the auxiliary equipment and the lower bracket 18 of the auxiliary equipment are two-stage structures with adjustable lengths, which are suitable for people of different heights.

The angle adjustment mechanism includes a cover plate 6, a bottom plate 5, and a linear push rod 8; the bottom edge of the cover plate 6 is hinged to the bottom edge of the bottom plate 5, and the linear push rod is between the facing surfaces of the cover plate and the bottom plate, and the linear push rod One end of 8 is hinged with the middle part of cover plate 6, and the other end is hinged with the front edge portion of base plate 5 to form a four-bar mechanism.

The horizontal motion mechanism includes a motor 1, a screw 2, a guide rail 3 and a slider 4. One end of the screw is connected to the output shaft of the motor 1 through a coupling, and the other end is connected to the middle of the slider 4 to form a spiral pair. The guide rail 3 is used To support and guide the slider 4; the bottom plate 5 of the angle adjustment mechanism is fixed on the slider 4.

In a specific setting, the above-mentioned linear push rod 8 may be driven by electric, hydraulic, pneumatic or other methods, and this embodiment adopts electric drive.

Referring to Fig. 1, the support frame 11 of seat is the support frame that can lift, and armrest 16 is fixedly provided with on both sides of seat 12, and is connected with armrest bar 9 between two armrests 16, and armrest bar 9 is provided with There is a heart rate detection sensor 10; one end of the armrest rod 9 is hinged on one of the armrests 16, and the other end is movably connected on the other armrest 16. The armrest bar 9 is used to prevent the user from leaning forward and cause potential safety hazards, and to further protect the user. In specific implementation, there are many ways to realize detachment, such as pin connection, bolt connection and the like. The middle part of the armrest bar 9 is provided with a heart rate detection sensor 10, which detects changes in the heart rate in real time during the user's training process, and is convenient for observing the user's physical condition.

The seat 12 has a cushion body 121 and a backrest 122, the cushion body 121 is arranged on the sliding block, and a rotating chassis structure for realizing the rotation and fixing of the seat is arranged between the cushion body and the sliding block. The user can sit on the cushion structure for training, and the four telescopic rods in the support frame 11 drive the support frame to move up and down to adjust the cushion structure to a suitable height to meet the needs of different groups of people; It is an electric linear push rod, hydraulic push rod or even a worm gear that can be stretched and adjusted in length, and the separation and combination of the angle lock lever and the angle lock plate can be controlled by pressing the rotary switch through the pulley to realize the rotation and angle of the seat. It is fixed and has a simple structure, and can ensure the stability and safety of the device in use.

In addition, the above-mentioned cushion body 121 is also convenient for the user to train in a standing posture. When training is required in a standing posture, the cushion structure is raised through the telescopic rod, and the thighs pass through the vacancy of the cushion body 121 to stand, and are driven to The structure adjusts the height of the seat to meet the needs of the standing posture, and then you can proceed to the next step of training.

The device of the present invention can be applied to the training and recovery of people whose motor function has declined or lost in the lower limbs, helping them to easily realize the rehabilitation training of standard motion trajectories in various postures of lying, sitting, and standing, and perform real-time measurement during the training process to visually display the training status, and give feedback to assist the trainer to adjust the training status. For ordinary people with sound lower limb functions, healthy exercise can also be carried out to help them enhance their physical ability. Great prospects for industrial application.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (7)

1. A real-time measurable lower limb health training device, characterized in that: The real-time measurable lower limb health training device includes a lower limb training machine, an adjustment device and a real-time measurable lower limb training aid, and the adjustment device includes an angle adjustment mechanism and a horizontal motion mechanism that drives the horizontal displacement of the angle adjustment mechanism; The lower limb training machine (7) is fixed on the cover plate (6) of the angle adjustment mechanism; Both sides of the horizontal motion mechanism are provided with a support frame (11) and a seat (12) supported by the support frame (11). A controllable slide rail (13) is provided, and the seat (12) is arranged on the controllable slide rail (13) through a sliding block; The real-time measurable lower limb training auxiliary device includes an auxiliary device upper bracket (17) and an auxiliary device lower bracket (18), and the front end of the auxiliary device upper bracket (17) is connected with the upper end of the auxiliary device lower bracket (18). Hinged to form a rotating pair, the rear end of the upper bracket (17) of the auxiliary device is hinged on the seat (12), and the lower end of the lower bracket (18) of the auxiliary device is hinged on the pedal (14); A leg tray is respectively arranged on the auxiliary device upper bracket (17) and the auxiliary device lower bracket (18), and a knee tray is arranged at the hinge point position of the auxiliary device upper bracket (17) and the auxiliary device lower bracket (18). The joint angle sensor (19) is provided with a hip joint angle sensor (20) at the hinge point position between the bracket (17) and the seat (12) on the auxiliary device. 2. A real-time measurable lower limb health training device according to claim 1, characterized in that: The upper bracket (17) of the auxiliary device and the lower bracket (18) of the auxiliary device are two-stage structures, and the length is adjustable. 3. A real-time measurable lower limb health training device according to claim 1, characterized in that: The angle adjustment mechanism includes the cover plate (6), the base plate (5), and the linear push rod (8); the cover plate (6) and the base plate (5) are hinged to each other at the bottom edge, One end of the linear push rod (8) is hinged to the middle of the cover plate (6), and the other end is hinged to the front edge of the bottom plate (5) to form a four-bar mechanism. 4. A real-time measurable lower limb health training device according to claim 1, characterized in that: The horizontal movement mechanism includes a motor (1), a leading screw (2), a guide rail (3) and a slider (4), and one end of the leading screw is connected with the output shaft of the motor (1) through a coupling, The other end is connected with the middle part of the slider (4) to form a spiral pair, and the guide rail (3) is used to support and guide the slider; the bottom plate (5) of the angle adjustment mechanism is fixed to the slider (4) up. 5. A real-time measurable lower limb health training device according to claim 1, characterized in that: Both sides of the lower limb training machine (7) are respectively provided with pedals (14), and a pressure sensor (15) is arranged in each of the pedals (14). 6. A real-time measurable lower limb health training device according to claim 1, characterized in that: The support frame (11) of the seat is a liftable support frame, and armrests (16) are fixed on both sides of the seat (12), and an armrest bar is connected between the two armrests (16). (9), a heart rate detection sensor (10) is provided on the armrest bar (9); one end of the armrest bar (9) is hinged on one of the armrests (16), and the other end is movably connected to the other armrest on the armrest (16). 7. A real-time measurable lower limb health training device according to claim 1, characterized in that: The seat (12) has a cushion body (121) and a backrest (122), the cushion body (121) is arranged on the sliding block, and a seat rotation and fixing mechanism is provided between the seat cushion body and the sliding block. Rotating chassis structure.

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