CN103349602B - Upper and lower limb fitness training device adjustable in wide range of amplitude - Google Patents

Abstract

The invention discloses a large-scale adjustable health training device for upper and lower limbs, which includes: a crank, a first connecting rod, a second connecting rod, a connecting rod, a frame, and a support; one end of the crank is hinged to the frame to form a Rotary pair, the other end is hinged with the head end of the first connecting rod to form a rotating pair, the end of the first connecting rod is hinged with the head end of the second connecting rod to form a rotating pair, the end of the second connecting rod is connected to the head end of the connecting rod Hinged to form a revolving pair, the end of the connecting rod is hinged with the frame to form a revolving pair; the support is fixedly connected to the worm gear of the worm gear, and the worm gear is hinged to the slide block of the guide rail pair, and the slide block of the guide rail pair is installed by Screw pair drive on first or second link. The crank and connecting rod frame are driven by the power mechanism on the frame. The invention has simple and compact structure, wide application range, can be grafted to other rehabilitation and fitness equipment, and can be applied to upper/lower limb rehabilitation and fitness training equipment.

Description

A wide-range adjustable upper and lower limb health training device

Technical field:

The invention relates to a health training device, which belongs to the field of rehabilitation medicine and sports and fitness equipment, in particular to equipment for exercise rehabilitation and training of upper and lower limbs of a trainer.

Background technique:

The 2010 Statistical Bulletin on the Development of China's Aging Career pointed out that the national population aged 60 and above has reached 177.65 million, accounting for 13.26% of the total population, an increase of 2.93 percentage points compared with the fifth national census in 2000. It can be seen that the degree of aging in our country is continuing to deepen; with the development of society, the number of people working in a sitting position is increasing, and the number of people with white-collar occupational diseases is also increasing. The prevention and rehabilitation of geriatric diseases and the prevention and treatment of white-collar occupational diseases have become serious problems in today's society. In recent years, the research on rehabilitation and fitness training equipment has also achieved many results, such as the research and use of end effector traction, exoskeleton wearable and various sports and fitness training equipment have developed to a large extent. However, they have the following disadvantages: professional nursing staff are required to accompany the training throughout the training, the training equipment has a complex structure, a large application field, and a single form of exercise, so it is not universally applicable, and it is difficult to meet the rehabilitation and fitness needs of different groups of people and individuals.

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, can be grafted to other rehabilitation and fitness equipment, can be applied to the rehabilitation and fitness training of upper/lower limbs, and the form of exercise can be adjusted. The foldable variable position limb health device.

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

A large-scale adjustable upper and lower limb health training device, which includes:

Crank, first connecting rod, second connecting rod, connecting frame rod, frame, support; one end of the crank is hinged with the frame to form a revolving pair, and the other end is hinged with the head end of the first connecting rod to form a A revolving pair, the end of the first connecting rod is hinged to the head end of the second connecting rod to form a revolving pair, the end of the second connecting rod is hinged to the head end of the connecting rod to form a revolving pair, the end of the connecting rod is connected to the The frame is hinged to form a revolving pair;

The support is fixedly connected to the rotary part driven by the reducer, and the reducer is installed on the slider of the guide rail pair, and the rotary part and the slider form a rotary pair; the slider of the guide rail pair is installed by A helical pair drive on the first or second link.

The reducer is a worm gear reducer or a planetary gear reducer.

The crank and the connecting rod frame are driven by the power mechanism on the frame.

Another solution of the present invention: a large-scale adjustable upper and lower limb health training device, which includes:

Crank, first connecting rod, second connecting rod, connecting frame rod, frame, support; one end of the crank is hinged with the frame to form a revolving pair, and the other end is hinged with the head end of the first connecting rod to form a A revolving pair, the end of the first connecting rod is hinged to the head end of the second connecting rod to form a revolving pair, the end of the second connecting rod is hinged to the head end of the connecting rod to form a revolving pair, the end of the connecting rod is connected to the The frame is hinged to form a revolving pair;

The support is fixedly connected to the longitudinal slider, and the longitudinal slider is driven by the secondary helical pair arranged on the transverse slider to move along the guide rail of the transverse slider; the transverse slider is arranged on the first connecting rod The helical pair drives to move along the guide rail of the first connecting rod.

The crank and the connecting rod frame are driven by the power mechanism on the frame.

Structural features of the present invention also are:

The crank is driven to rotate by the main motion input shaft arranged on the frame through the main transmission device; the connecting frame rod is driven to rotate by the auxiliary motion input shaft arranged on the frame through the auxiliary transmission device; the main transmission device and said auxiliary transmission is a gear train;

The auxiliary transmission device is provided with a brake.

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

1. The present invention has a simple structure and is easy to be integrated into other rehabilitation and fitness training equipment, seats, massage chairs and wheelchairs.

2. The invention has a wide range of applications and can be used for rehabilitation and exercise of upper and lower limbs.

3. The present invention has various exercise modes. During use, two pairs of devices are symmetrically arranged beside the left/right hand and left/right leg, which can realize synchronous/asynchronous training.

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

5. The present invention is adjustable, and the position of the supported handle and the angle of the connecting rod can be adjusted in combination to realize different trajectories and different amplitudes of exercise training, so that it can adapt to the same trainer in different rehabilitation periods and The exercise situation of the training state can meet the needs of trainers of different heights for rehabilitation and fitness exercises.

6. The motor is controlled by the clutch to drive the crank or the connecting rod, and the driving motor of the crank and the connecting rod can be the same.

7. If there are resistance links such as magnetic powder brakes, torque adjustable friction brakes, springs, etc. in or outside the active input shaft and active transmission device, passive training can be carried out; in this way, active and passive training can be realized through the motor and resistance links , not only can be used as a rehabilitation exerciser to rehabilitate limbs, but also can be used as a fitness equipment to enhance physical fitness.

8. The support of the eccentric structure is fixedly connected to the worm wheel, and the worm wheel is hinged with the slider of the guide rail pair, and then installed on the first connecting rod or the second connecting rod through the guide rail pair and the screw pair, so that the support can move and rotate relative to the connecting rod; Alternatively, the support is fixedly connected to the slide block of the platform with two degrees of freedom of movement connected in series with two vertical movement directions, and the screw pair and the guide rail pair forming the first-stage moving pair are installed on the first connecting rod or the second Two connecting rods and two uppers make the support trajectory more complicated and the training range of the upper and lower limbs is greater.

Description of drawings:

Fig. 1 is a schematic diagram of the front view of the present invention; Fig. 2 is a left view of the present invention; Fig. 3 is a schematic diagram of the front view of the second embodiment of the present invention.

Symbols in the figure: 1 crank, 2 first connecting rod, 3 second connecting rod, 4 connecting rod, 5 frame, 6 support, 7 main motion input shaft, 8 main transmission, 9 auxiliary motion input shaft, 10 auxiliary Transmission device, 11 helical pairs, 12 guide rail pairs, 13 worm gear transmissions, 14 longitudinal sliders, 15 horizontal sliders, 16 secondary helical pairs.

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

Detailed ways:

Embodiment 1: Referring to Figures 1 and 2, the large-scale adjustable upper and lower limb health training device of this embodiment includes:

Crank 1, first connecting rod 2, second connecting rod 3, connecting frame rod 4, frame 5, support 6; The ends are hinged to form a revolving pair, the end of the first connecting rod 2 is hinged to the head end of the second connecting rod 3 to form a revolving pair, the end of the second connecting rod 3 is hinged to the head end of the connecting rod 4 to form a revolving pair, and the connecting rod The end of 4 is hinged with frame 5 to form a revolving pair.

The support 6 is fixedly connected to the worm wheel of the worm gear 13, and the worm gear 13 is hinged on the slide block of the guide rail pair 12, and the slide block of the guide rail pair 12 is installed on the first connecting rod 2 or the second connecting rod 3 The spiral pair 11 is driven. Crank 1 and connecting rod frame 4 are driven by power mechanism on frame 5 .

Embodiment 2: Referring to Figures 2 and 3, the large-scale adjustable upper and lower limb health training device of this embodiment includes:

Crank 1, first connecting rod 2, second connecting rod 3, connecting frame rod 4, frame 5, support 6; The ends are hinged to form a revolving pair, the end of the first connecting rod 2 is hinged to the head end of the second connecting rod 3 to form a revolving pair, the end of the second connecting rod 3 is hinged to the head end of the connecting rod 4 to form a revolving pair, and the connecting rod The end of 4 is hinged with frame 5 to form a revolving pair.

The support 6 is fixedly connected on the longitudinal slider 14, and the longitudinal slider 14 is driven by the secondary screw pair 16 arranged on the transverse slider 15 to move along the guide rail of the transverse slider; the transverse slider 15 is arranged on the first connecting rod 2 The screw pair 11 on the drive moves along the guide rail of the first connecting rod. Crank 1 and connecting rod frame 4 are driven by power mechanism on frame 5 .

In the above two schemes, the crank 1 is driven to rotate by the main motion input shaft 7 arranged on the frame 5 through the main transmission device 8; Drive rotation; the main transmission device 8 and the auxiliary transmission device 10 are wheel trains; the auxiliary transmission device 10 is provided with a brake.

In use, referring to Fig. 1, 2, according to the physical parameters and training requirements of the training object, the screw of the screw pair 11 on the first connecting rod or the second connecting rod drives the slide block of the guide rail pair 12 to move, and then the worm gear and worm drive The device 13 moves along the length direction of the first connecting rod or the second connecting rod, and then rotates the worm gear 13 so that the support 6 of the eccentric structure fixedly connected to the worm wheel rotates, and the support reaches a suitable position through movement and rotation; auxiliary movement The input shaft 9 adjusts the connecting frame rod 4 to a suitable position through the auxiliary transmission device 10, and the brake works or the self-locking function plays a role to keep the connecting frame rod still. The hands of the trainer's upper limbs (feet of the lower limbs) are in contact with the supporting handle (pedal), and the main motion input shaft 7 drives the crank 1 through the main transmission device 8 to make a complete revolution, and the crank drives the supporting handle (pedal) as expected track and speed movement to achieve the purpose of training; if the track of the supported handle (pedal) is not within the user's suitable range of motion, turn the connecting rod at a certain angle to achieve a corresponding range of position adjustment, so that the support handle (pedal) The movement trajectory of stepping) is within the user's suitable range of motion, so that it can also meet the training needs of different groups of people or individuals.

In actual use, referring to Figures 2 and 3, according to the physical parameters and training requirements of the training object, the horizontal slider 15 of the guide rail pair is driven by rotating the screw rod of the screw pair 11 installed on the first connecting rod or the second connecting rod, Then, the screw rod of the second-stage helical pair 16 drives the longitudinal slider 14 to move along the horizontal slider, thereby adjusting the support 6 to a suitable position; the auxiliary motion input shaft 9 adjusts the link rod 4 to a suitable position through the auxiliary transmission device 10, and the brake works Or the self-locking function plays a role to keep the link rod still. The hands of the trainer's upper limbs (feet of the lower limbs) are in contact with the supporting handle (pedal), and the main motion input shaft 7 drives the crank 1 through the main transmission device 8 to make a complete revolution, and the crank drives the supporting handle (pedal) as expected track and speed movement to achieve the purpose of training; if the movement track of the support handle (pedal) is not within the user's suitable range of motion, then turn the connecting rod at a certain angle to adjust the position of the corresponding range, so that the support handle (pedal) ) trajectory is within the user's suitable range of motion, so that it can also meet the training needs of different groups of people or individuals.

If a resistance device such as a magnetic powder brake, torque-adjustable friction brake, spring, etc. is installed in the main motion input shaft 7 and the main transmission device 8 or outside, the size of the resistance torque can be controlled, and resistance is provided for active training, so as to achieve the specified trajectory. The purpose of strength training in active sports; combined with passive training of motors, it can meet the needs of active and passive training.

Load onto clutch respectively on main motion input shaft 7 and auxiliary motion input shaft 9, then can control motor to drive crank or connecting frame rod by clutch, like this, the driving motor of crank and connecting frame rod can be identical.

If brakes are installed in the main motion input shaft 7 and the main transmission device 8, the two pairs of devices are arranged symmetrically next to the left/right hand and left/right legs during use, and the initial phases of both sides can be adjusted respectively and kept unchanged , enabling synchronous/asynchronous training.

If when the crank turns, the worm, screw or two screws are driven by the motor, so that the support rotates, moves or moves in two directions on the connecting rod, then the support can realize more complex trajectory motion, and the training range of the upper and lower limbs is larger.

Claims (2)

1. the adjustable healthy training devices of upper and lower extremities of amplitude on a large scale, is characterized in that comprising:

Crank (1), first connecting rod (2), second connecting rod (3), side link (4), frame (5), support (6); One end of described crank (1) and the hinged formation revolute pair of described frame (5), the hinged formation revolute pair of head end of the other end and described first connecting rod (2), the hinged formation revolute pair of head end of the end of first connecting rod (2) and described second connecting rod (3), the hinged formation revolute pair of head end of the end of second connecting rod (3) and described side link (4), the end of side link (4) and the hinged formation revolute pair of described frame (5);

Described support (6) connects firmly at longitudinal sliding block (14) upper, and described longitudinal sliding block (14) drives along the guide rail of transverse slider and moves by being arranged on deuterostrophies secondary (16) on transverse slider (15); Described transverse slider (15) drives along the guide rail of first connecting rod and moves by being arranged on screw pair (11) on first connecting rod (2);

Described crank (1) and described side link (4) are driven by the upper actuating unit of described frame (5).

2. the adjustable healthy training devices of upper and lower extremities of amplitude on a large scale according to claim 1, is characterized in that, described crank (1) is driven and rotated by main drive (8) by the main motion power shaft (7) of being located in frame (5); Described side link (4) is driven and is rotated by auxiliary drive (10) by the assisted movement power shaft (9) of being located in frame (5); Described main drive (8) and described auxiliary drive (10) are train;

Described auxiliary drive (10) is provided with brake.