CN208145299U - A kind of accurate physical strength training device of human body - Google Patents

Abstract

The utility model relates to a human body precision strength training device, comprising a balance bar and a support frame, the upper end of the support frame is hinged with the balance bar, a pull rope is arranged at the left end of the balance bar, and a tension sensor is arranged on the pull rope , the inside of the right side of the balance bar is provided with a telescopic rod, and the right end of the telescopic rod is provided with a gravity block; it also relates to a training system using the above-mentioned precise strength training device for human body, including a controller, a display and a surface electromyography instrument , the controller includes an input port and an output port; the surface electromyography and the tension sensor are electrically connected to the input port, and are used to provide the controller with a muscle fatigue degree signal and a tension value of the trainee; the display and the driver The motor is electrically connected to the output port, the display is used to display the change value of the trainee's muscle fatigue and the tension value, and the driving motor is used to drive the movement of the telescopic rod; accurate training can be realized.

Description

A device for precise human body strength training

technical field

The utility model relates to a training device and system, in particular to a human body precision strength training device and system.

Background technique

Existing fitness equipment generally changes its counterweight by adding or subtracting lead weights to suit different trainers for training with different force values, but this counterweight change is a discrete change and cannot be continuously changed. Its adjustment is not accurate enough, and it cannot be adjusted to a reasonable counterweight in time according to the trainer's own situation.

Utility model content

The utility model aims at the deficiencies in the above-mentioned prior art, and provides a human body precision strength training device and system capable of continuously adjusting counterweights.

The technical scheme of the utility model to solve the above technical problems is as follows: a human body precision strength training device, including a balance bar and a support frame, the upper end of the support frame is hinged with the balance bar, and the left end of the balance bar is provided with a pull rope. A tension sensor is provided on the stay rope, a telescopic rod is provided inside the right side of the balance rod, and a gravity block is provided at the right end of the telescopic rod.

Further, the telescopic rod is provided with a rack, the right side of the balance rod is provided with a drive motor, and the main shaft of the drive motor is provided with a gear meshed with the rack; the inside of the right side of the balance rod A slide rail for the rack to slide is provided.

Further, a protection device is provided under the gravity block.

Further, the support frame is hinged to the balance pole through a rotating shaft, and the rotating shaft passes through the balance pole.

Further, a pull ring is provided at the lower end of the pull cord.

Further, the mass of the gravity block is denoted as M, the lateral distance between the pull rope and the rotating shaft is B, the pulling force of the trainer pulling the pull ring vertically downward is F, and the lateral distance between the gravity block and the rotating shaft is D, F* B=M*D, where B and M are constants, when D can be changed continuously, F can be changed continuously, and the continuous change of F can be realized by controlling the rotation angle of the drive motor.

The beneficial effect of the above-mentioned precise strength training device for the human body is that the continuous change of the counterweight can be realized by controlling the rotation angle of the drive motor, so that the trainers can carry out precise training according to their own actual conditions.

The utility model also relates to a human body precision strength training system, including a controller, a display and a surface electromyography instrument, and also includes the above-mentioned human body precision strength training device, the controller includes an input port and an output port; the surface electromyography The instrument and the tension sensor are electrically connected to the input port, and are used to provide the trainee’s muscle fatigue level signal and tension value to the controller; the display and the drive motor are electrically connected to the output port, and the display is used to display the trainee’s Muscle fatigue degree change value and tension value, the drive motor is used to drive the telescopic rod to move.

The process of using the human body precision strength training system is as follows:

First, by controlling the controller, the drive motor rotates gradually, and the setting of the pulling force changes from small to large, and the maximum pulling force value of the trainer is measured. When the pulling force value reaches the maximum, the driving motor stops rotating;

Then, attach the surface electromyography to the arm muscles of the trainers for training. The surface electromyography continuously sends the muscle fatigue signal to the controller, and the muscle fatigue signal can be read out through the display;

Finally, the controller controls the rotation of the driving motor according to the feedback of the muscle fatigue signal, so as to gradually reduce the tension value setting.

The beneficial effects of the above-mentioned precise strength training system for human body are: the setting of the tension value can be continuously adjusted, the training is more precise, and the tension value can be gradually adjusted according to the feedback of the muscle fatigue signal to make it more suitable for training, and the training effect is good.

Description of drawings

Fig. 1 is the structure schematic diagram of the precise strength training device for human body in the utility model;

Fig. 2 is the top view of Fig. 1 in the utility model;

Fig. 3 is the structural representation of balance bar in the utility model;

Fig. 4 is the structural representation of training system in the utility model;

In the accompanying drawings, the names of the parts represented by the labels are as follows: 1. Balance bar, 1-1, slide rail, 1-2, gear perforation, 1-3, rotating shaft installation hole, 2, gear, 3, drive motor , 3-1, drive motor spindle, 4, telescopic rod, 5, gravity block, 6, pull rope, 7, tension sensor, 8, pull ring, 9, support frame, 10, protection device, 11, rotating shaft.

Detailed ways

The principles and features of the present utility model are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the utility model, and are not used to limit the scope of the utility model.

As shown in Figures 1-3, a human body precision strength training device includes a balance bar 1 and a support frame 9, the upper end of the support frame 9 is hinged to the balance bar 1, and the left end of the balance bar 1 is provided with a pull cord 6. A tension sensor 7 is provided on the pull rope 6 , a telescopic rod 4 is provided inside the right side of the balance pole 1 , and a gravity block 5 is provided at the right end of the telescopic rod 4 .

The telescopic rod 4 is provided with a rack, the right side of the balance rod 1 is provided with a drive motor 3, and the main shaft 3-1 of the drive motor 3 is provided with a gear 2 meshed with the rack; The right side of the balance bar 1 is provided with a slide rail 1-1 for the rack to slide; the balance bar 1 is provided with a gear hole 1-2, and the lower end of the gear 2 passes through the gear hole 1-2. Mesh with the rack.

A protection device 10 is provided below the gravity block 5 to prevent the gravity block 5 from falling due to an accident and hurting people nearby.

The support frame 9 is hinged to the balance pole 1 through a rotating shaft 11, the rotating shaft 11 passes through the balance pole 1, and the balance pole 1 is provided with a rotating shaft installation hole 1-3 for the rotating shaft to pass through.

The lower end of the stay cord 6 is provided with a draw ring 8 .

The mass of the gravity block 5 is denoted as M, the lateral distance between the stay rope 6 and the rotating shaft 11 is B, the pulling force of the trainer pulling the pull ring 8 vertically downward is F, and the lateral distance between the gravity block 5 and the rotating shaft is D , F*B=M*D, wherein both B and M are constants, when D can be continuously changed, F can be continuously changed, and the continuous change of F can be realized by controlling the rotation angle of the drive motor 3 .

The utility model also relates to a human body precision strength training system, as shown in Figure 4, including a controller, a display and a surface electromyography instrument, and also includes the above-mentioned human body precision strength training device, and the controller includes an input port and an output port The surface electromyography instrument and the tension sensor are electrically connected to the input port, and are used to provide the trainee's muscle fatigue level signal and tension value to the controller; the display and the drive motor are electrically connected to the output port, and the The display is used to display the change value of the trainee's muscle fatigue and the tension value, and the driving motor 3 is used to drive the telescopic rod 4 to move.

The process of using the human body precision strength training system is as follows:

First, by controlling the controller, the drive motor 3 rotates gradually, the setting of the pulling force changes from small to large, and the maximum pulling force value of the trainer is measured, and when the pulling force value reaches the maximum, the driving motor 3 stops rotating;

Then, attach the surface electromyography to the arm muscles of the trainers for training. The surface electromyography continuously sends the muscle fatigue signal to the controller, and the muscle fatigue signal can be read out through the display;

Finally, the controller controls the rotation of the driving motor according to the feedback of the muscle fatigue signal, so as to gradually reduce the tension value setting.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (5)

1. A human body precision strength training device, is characterized in that, comprises balance bar and support frame, and the upper end of described support frame is hinged with balance bar, and the left end of described balance bar is provided with stay cord, and described stay cord is provided with A tension sensor, a telescopic rod is arranged inside the right side of the balance rod, and a gravity block is provided at the right end of the telescopic rod. 2. The human body precision strength training device according to claim 1, characterized in that, the telescopic rod is provided with a rack, the right side of the balance rod is provided with a driving motor, and the main shaft of the driving motor is provided with a The toothed rack is meshed with a gear; the inside of the right side of the balance bar is provided with a slide rail for the sliding of the toothed rack. 3. The precise strength training device for human body according to claim 1 or 2, characterized in that a protective device is provided under the gravity block. 4. The precise strength training device for human body according to claim 1 or 2, characterized in that, the support frame is hinged to the balance bar through a rotating shaft. 5. The precise strength training device for human body according to claim 1 or 2, characterized in that, the lower end of the pull cord is provided with a pull ring.