TWM597670U - Muscle strength training device - Google Patents

Abstract

A muscle strength training device includes: a torque generating mechanism, a weight pulling mechanism, a controller, and an electronic instrument; wherein the torque generating mechanism is composed of a motor, a deceleration mechanism, and a reel, a belt and a winding Wound on the reel, and the free end of the belt is connected to a motion force unit of a weight drawing mechanism through a steel cable; a stroke sensor is set on the reel, and an angle sensor is set on the weight drawing The outer side of the guide wheel of the mechanism; by this, the desired movement torque value is input from the electronic instrument, and the servo control unit of the controller will drive the motor to output the movement torque. The user applies force to the movement force unit, which will bear the dynamic torque. To achieve the effect of muscle training.

Description

Strength training device

This creation is about a muscle strength training machine, especially a muscle strength training device that uses the linear torque of the motor to replace the conventional iron block as a load member, and uses a servo control unit to provide curve load control and load current compensation.

By the way, whether for entertainment, health, or for professional reasons, fitness is an important part of many people’s lives. For example, the muscle strength training machine, which is popular in advanced countries in Europe and the United States, uses iron to build bodybuilding muscles. It promotes physiological functions and keeps the body healthy, so it is also called a "weight muscle training machine". Its main structure is shown in Figure 1A. This traditional muscle training machine has the following shortcomings in use: (1) The iron block 911 has a large volume and takes up space, and load adjustment is quite time-consuming and laborious. (2) When the iron block 911 is pulled up by the transmission cable 912 and then lowered, a great noise will be generated. (3) It is impossible to set the motion curve to change the load, so that the motion function is limited.

According to the second press, the applicant disclosed the structure of a "motor-type muscle training machine" 920 in the publication of the new patent case No. M365185, as shown in Figure 1B, including: a frame 921, a motor 931, transmission The element 932, the winch 933, the load member 930 of the steel cable 934, a controller 940 with a built-in control circuit, and a muscle extension member 922 connected to the end of the cable 934; although this creation can improve the Figure 1A "weight muscle training machine However, the organization that inspects 1B still has many imperfections in its application: (1) The transmission element 932 will slide during the force application process, which will distort the muscle strength training effect. (2) The motor 931 and the winch 933 are not on the same axis, which takes up a lot of space. (3) This structure is only suitable for stretching muscle training. It lacks a swinging muscle training mechanism and its exercise range is insufficient.

The reason is that the main purpose of this creation is to provide a torque generating mechanism that can be driven by a motor to replace the traditional iron load, and the motor, deceleration mechanism, and reel are connected to each other to reduce transmission loss and achieve integration It is a kind of muscle strength training device to reduce the space occupation.

The second purpose of this creation is to provide a muscle training device that can generate a reverse torque on the main shaft of the reel by means of the spiral spring, and does not drive the shaft of the motor to rotate when the main shaft is rewinding.

Another purpose of this creation is to provide a connection between the sensor and the controller, and use the servo control unit to control the curve load and compensate the load current appropriately, so that the user can further obtain a smooth motion situation. A kind of muscle training device.

Another purpose of this creation is to provide a muscle training device that can connect a rocking member with a motion force applying unit, so that the training function can not only be stretched, but can also be extended to rocking muscle training.

To achieve the above purpose, the technical means adopted in this creation include: a torque generating mechanism with a motor, a reducer, and a reel, which are individually assembled on a bottom plate; wherein the motor is driven by a DC Or a brushless motor whose shaft is connected to the transmission gear set of the reducer, and the reducer is provided with a projecting output shaft, which is set in the shaft hole of the reel through a one-way bearing set; a belt , Is wound on the periphery of the reel, and its free end is connected to a steel cable. When the steel cable is pulled by force, the torque output by the motor that is opposite to the applied force will act on the steel cable; a fixed frame, tied Set on the bottom plate and ring around the reel, a window is provided on the upper edge of the fixing frame to allow the free end of the belt to pass through; the outer side of the reel is provided with a main shaft for combining with a scroll spring The inner end and the outer end form a hook system to be fixed to the fixing frame. When the reel is pulled and rotated by the belt, the scroll spring will be forced to tighten, and a reverse torque is applied to the The main shaft, and the one-way bearing in the shaft hole of the reel, will make the output shaft of the reducer inactive when the main shaft is rewinding, and will not drive the shaft of the motor to rotate, so that the belt will stop pulling The reel quickly rewinds the belt.

A weight pulling mechanism, which is provided with a plurality of guide wheels and a movement force applying unit. The steel cable surrounds the guide wheel, and its free end is connected with the movement force applying unit to enable the motor acting on the steel cable to output torque Transmitted to the motion force unit, the motion force unit can optionally be connected to an extension member or a swing member; a controller with a built-in control circuit, which is equipped with: a servo control unit, an arithmetic unit, and a DC motor The driver, a rotary encoder interface, and an angle sensor interface, and the controller is electrically connected to the motor, so as to adjust the current and signal delivered to the motor, thereby controlling the torque of the motor; an electronic instrument, It is electrically connected to the controller to input the load value and display the state of the movement stroke.

A stroke sensor, including a light blocking disc arranged on the side of the reel and linked with it, and a pair of optical couplers arranged on the periphery of the light blocking disc, and the optical coupler is an electric The controller is sexually connected, and when force is applied to the extension member, the belt will drive the reel and the light-interrupting disc to rotate synchronously, and the pulse signal generated by the optical coupler will be sent to the controller. Rotary encoder interface; and an angle sensor, which is arranged outside the guide wheel of the weight pulling mechanism, and the angle sensor is electrically connected to the controller. When a force is applied to the swing member, the The belt drives the guide wheel to rotate, and the angle pulse signal generated by the angle sensor will be sent to the angle sensor interface in the controller.

In this way, the desired movement torque value is input from the electronic instrument, and the servo control unit will send a load current through the DC motor driver to drive the motor to rotate to output the movement torque. The user applies force to the extension member or The rocking member will bear the motion torque and thus achieve the effect of muscle strength training; at the same time, the pulse signal generated by the optical coupler or angle sensor will be sent to the rotary encoder interface or angle sensor interface, through the After the calculation unit calculates, the servo control unit is provided for curve load control and appropriate compensation for the load current, so that the user can further obtain a smooth motion situation.

According to the features disclosed above, the motor, the deceleration mechanism and the reel of the torque generating mechanism are connected to each other to form the same axis.

According to the aforementioned features, the present creation may further include a micro switch, which is arranged on the window side of the fixing frame, so that it can quickly start or stop the motor by sensing the displacement of the belt.

According to the features of the previous disclosure, the present invention can further include a protective cover which is wrapped around the outside of the scroll spring to provide safety protection.

With the help of the front-revealing feature, this creative muscle training device has the following benefits: (1) The torque generating mechanism of this creation is composed of a motor, a reducer, and a reel separately assembled on a bottom plate, and can be connected to each other to form the same axis; because there is no need to drive through the pulley, the transmission loss can be reduced, and because The same axis configuration can integrate related components, so it has the benefit of reducing space occupation. (2) The reducer in this creation is provided with a projecting output shaft, which is set in the shaft hole of the reel through a one-way bearing assembly; and the inner end of the scroll spring is connected to the main shaft of the reel, The outer end forms a hook system and is fixed to the fixing frame. Therefore, when the reel is pulled and rotated by the belt, the scroll spring will be forced to tighten, and a reverse torque will be applied to the main shaft; when the belt stops being When pulled, the reverse torque of the volute spring will drive the reel to quickly rewind the belt, and the one-way bearing installed in the shaft hole of the reel will make the output of the reducer when the main shaft is rewinding The shaft does not move, because the motor shaft will not be driven to reverse, so the effect of protecting the motor shaft can be achieved. (3) In this creation, a stroke sensor is installed on the side of the reel, which is electrically connected to the rotary encoder interface in the controller, and an angle sensor is installed on the outside of the guide wheel of the weight pulling mechanism. It is also electrically connected to the angle sensor interface in the controller; when a force is applied to the motion force unit of the weight pulling mechanism, the reel and the guide wheel will rotate, and the stroke sensor and the angle sensor are generated The pulse signal will be provided to the servo control unit of the controller for curve load control and appropriate compensation for the load current, so that the user can further obtain a smooth motion situation. (4) In this creation, the motion exerting unit of the weight pulling mechanism can be connected with an extension member or a swing member. The extension member allows the user to perform stretching muscle training, and the swing member can be used Those who perform rocking muscle strength training; therefore, the training function of this creation not only has stretching, but can also be extended to rocking muscle strength training. Therefore, knowing this creation can increase the breadth of exercise.

First of all, please refer to Figure 2 to Figure 5, which is the torque generating mechanism in this creation 10; Including: a motor 12, a deceleration mechanism 13, and a reel 14, which are individually arranged with bolts on the positioning holes 111 of a bottom plate 11. In a preferred embodiment, the motor 12, the reducer 13 The reel 14 is connected to each other on the same axis, but is not limited to this; wherein, the motor 12 is composed of a DC or brushless motor, and its shaft 121 is connected to the transmission gear set 131 of the reduction mechanism 13 , And the deceleration mechanism 13 is provided with a projecting output shaft 132, which is set in the shaft hole 141 of the reel 14 by a one-way bearing 133; and a belt 16 is wound around the valley of the reel 14 142, and its free end 161 is connected to a steel cable 23. When the steel cable 23 is pulled by an applied force, the torque output by the motor 12 opposite to the applied force will act on the steel cable 23; a trailer 151 is set On the bottom plate 11 and on the outer side of the deceleration mechanism 13, a fixing frame 152 is a ㄈ-shaped body, which is assembled on the side of the trailer 151 and looped around the reel 14, with an upper edge provided The window 153 allows the end 161 of the belt 16 to pass through the fixing frame 152; the outer side of the reel 14 is provided with a main shaft 143 for coupling with the inner end 171 of a scroll spring 17, and the outer end 172 A hook system is formed and fixed on the fixing frame 152. When the reel 14 is pulled and rotated by the belt 16, the scroll spring 17 is forced to tighten, and a reverse torque is applied to the main shaft 143, and the reel The one-way bearing 133 in the shaft hole 142 of the wheel 14 will make the output shaft 132 of the reduction mechanism 13 inactive when the main shaft 143 is rewinding, so it will not drive the shaft 121 of the motor 12 to rotate , So that the reel 14 can quickly rewind the belt 16 when the belt 16 stops pulling; this creation further includes a protective cover 18, which is wrapped around the outside of the scroll spring 17 to provide safety Protection; and a micro switch 19, which is set on the side of the window 153 of the fixing frame 152, so that by sensing the displacement of the belt 16, it can start or stop the motor 12 in real time.

Please further refer to FIGS. 6-7, which are the combined structure of the first and second embodiments of the creative muscle training device 100, which includes: a torque generating mechanism 10, a weight pulling mechanism 20, and a control Device 30, and an electronic instrument 40; wherein, the relevant components of the torque generating mechanism 10 have been described in detail in the previous section, the weight pulling mechanism 20 is provided with a plurality of guide wheels 21 and a motion applying unit 22, and the The wire rope 23 surrounds the plurality of guide wheels 21 and its free end 231 is connected to the movement force unit 22, so that the output torque of the motor 12 acting on the wire rope 23 is transmitted to the movement force unit 22, and the movement force unit 22 The force unit 22 can alternatively be connected to an extension member 221 as shown in FIG. 6 or a swing member 222 as shown in FIG. 7; the controller 30 has a built-in control circuit and is provided with: a servo control unit 31, a The arithmetic unit 32, a DC motor driver 33, a rotary encoder interface 34, and an angle sensor interface 35, and the controller 30 is electrically connected to the motor 12 to adjust the current delivered to the motor 12 and The signal further controls the torque of the motor 12; the electronic instrument 40 is provided with an input keyboard and a display screen, and is electrically connected to the controller 30 for inputting load values and displaying the state of the movement stroke.

In this creation, a stroke sensor 50 is further provided, including a light blocking disc 51 arranged on the side of the reel 14 and linked with it, and a pair of light couplers arranged on the periphery of the light blocking disc 51 52 (see FIG. 5), the optical coupler 52 is electrically connected to the rotary encoder interface 34 of the controller 30, as shown in FIG. 6, when a force is applied to the extension member 221 to make it outward Displacement distance D, the belt 16 connected to the steel cable 23 will drive the reel 14 to rotate synchronously with the light blocking disc 51, and the pulse signal generated by the optical coupler 52 will be sent to the controller 30 The rotary encoder interface 34 can calculate the displacement distance D through the calculation unit 32 and display it on the display screen of the electronic meter 40; and an angle sensor 60 as shown in FIGS. 7-8, It is arranged outside the guide wheel 21 of the weight pulling mechanism 20, and the angle sensor 60 is electrically connected to the angle sensor interface 35 of the controller 30, and when a force is applied to the swing member 222, it swings a deviation Swing angle θ, the swing member 222 will drive the guide wheel 21 to rotate an angle θ, and the angle pulse signal generated by the angle sensor 60 will be sent to the angle sensor interface 35 in the controller 30, via The calculation unit 32 can calculate the yaw angle θ and display it on the display screen of the electronic instrument 40; meanwhile, the pulse signal generated by the optical coupler 52 in FIG. 6 and the angle sensing in FIG. 7 The angle pulse signals generated by the detector 60 will be provided to the servo control unit 31 of the controller 30 for curve load control and appropriate compensation for the load current, so that the user can further obtain a smooth motion situation.

Thus, the user can input the desired motion torque value from the input keyboard of the electronic meter 40, and the servo control unit 31 will send a load current through the DC motor driver 33 to drive the motor 12 to rotate to output the motion torque. , As shown in Figures 6-7; when the user applies force to the extension member 221 or the swing member 222, the steel cable 23 will bear the movement torque, thereby achieving the effect of muscle training; at the same time, the optical coupler 52 or The pulse signal generated by the angle sensor 60 will be sent to the rotary encoder interface 34 or the angle sensor interface 35. After being calculated by the calculation unit 32, the servo control unit 31 is provided for curve load control and load control. The current is appropriately compensated to allow the user to further obtain a smooth movement situation.

Because the torque generating mechanism 10 of this invention is composed of the motor 12, the deceleration mechanism 13, and the reel 14 individually assembled on a bottom plate 11, and they are connected to each other to form the same axis; because there is no need to drive through a pulley, the transmission loss can be reduced. And because the same axis configuration can integrate related components, it has the benefit of reducing space occupation.

Secondly, the deceleration mechanism 13 in this creation is provided with a projecting output shaft 132, which is set in the shaft hole 141 of the reel 14 through a one-way bearing 133; and the inner end 171 of the scroll spring 17 is combined On the main shaft 143 of the reel 14, its outer end 172 forms a hook system and is fixed to the fixing frame 152. Therefore, when the reel 14 is pulled and rotated by the belt 16, the spiral spring 17 is forced to be tightened and applied. Give a reverse torque to the main shaft 143; when the belt 16 stops being pulled, the reverse torque of the scroll spring 17 will drive the reel 14 to quickly rewind the belt 16, and because of the shaft hole 141 of the reel 14 The built-in one-way bearing 133 will keep the output shaft 132 of the reduction mechanism 13 inoperative when the main shaft 143 is rewinding. Since the shaft 121 of the motor 12 will not be driven and reversed, it can protect the motor 12 effects.

Furthermore, in this creation, a stroke sensor 50 is installed on the side of the reel 14 and electrically connected to the rotary encoder interface 34 in the controller 30, and installed outside the guide wheel 21 of the weight pulling mechanism 20 An angle sensor 60 is electrically connected to the angle sensor interface 35 in the controller 30; when a force is applied to the movement force applying unit 22 of the weight pulling mechanism 20, the reel 14 and the guide wheel 21 will rotate , The pulse signals generated by the stroke sensor 50 and the angle sensor 60 will be provided to the servo control unit 31 of the controller 30 for curve load control and appropriate compensation for the load current, so that the user can obtain further smoothness Sports situation.

Furthermore, in the present creation, the motion applying unit 22 of the weight pulling mechanism 20 can be connected to either an extension member 221 or a swing member 222. The extension member 221 allows the user to perform stretching muscle training, and The swinging member 222 allows the user to perform swinging muscle training; therefore, the training function of the present creation not only has the stretching type, but can also be extended to the swinging muscle training. Therefore, knowing this creation can increase the breadth of exercise.

To sum up, the structure disclosed in this creation is unprecedented, and it can indeed achieve the enhancement of efficacy, and is available for industrial use, and fully meets the requirements of a new patent. I pray that the Jun Bureau will grant the patent to encourage innovation , No sense of morality.

However, the drawings and descriptions disclosed above are only the preferred embodiments of this creation. Anyone familiar with the art should still include modifications or equivalent changes made in accordance with the spirit of this case in the scope of the patent application in this case.

10: Torque generating mechanism 11: bottom plate 111: positioning hole 12: Motor 121: Axis 13: Deceleration mechanism 131: Variable speed gear set 132: output shaft 133: One-way bearing 14: reel 141: Shaft hole 142: Wheel Hub 143: Spindle 151: Bracket 152: fixed frame 153: Window 16: belt 161: free end 17: scroll spring 171: inner end 172: Outer end 18: Cover 19: Micro switch 20: Weight pulling mechanism 21: Guide wheel 22: Exercise force unit 221: Extension member 222: Swing member 23: Steel cable 231: free end 30: Controller 31: Servo control unit 32: calculation unit 33: DC motor driver 34: Rotary encoder interface 35: Angle sensor interface 40: electronic instrument 50: stroke sensor 51: light blocking disc 52: Optocoupler 60: Angle sensor 100: Strength training device D: Displacement distance θ: Deflection angle

Figure 1A: A schematic diagram of the structure of the first case of this creation. Figure 1B: A schematic diagram of the structure of the second case of this creation. Figure 2: An exploded perspective view of the torque generating mechanism in this creation. Figure 3: The combined three-dimensional view of the torque generating mechanism in this creation. Figure 4: The top view of the combination of the torque generating mechanism in this creation. Figure 5: is the combined sectional view of the torque generating mechanism in this creation. Figure 6: is a schematic diagram of the combined structure of the first embodiment of this creation. Figure 7: is a schematic diagram of the combined structure of the second embodiment of the creation. Figure 8: is a schematic diagram of the action of the second embodiment of this creation.

10: Torque generating mechanism

11: bottom plate

12: Motor

13: Deceleration mechanism

14: reel

151: Trailer

152: fixed frame

16: belt

17: scroll spring

18: Cover

19: Micro switch

20: Weight pulling mechanism

21: Guide wheel

22: Exercise force unit

221: Extension member

23: Steel cable

231: free end

30: Controller

31: Servo control unit

32: calculation unit

33: DC motor driver

34: Rotary encoder interface

35: Angle sensor interface

40: electronic instrument

50: stroke sensor

52: Optocoupler

60: Angle sensor

100: Strength training device

D: Displacement distance

Claims (4)

A muscle strength training device includes: A torque generating mechanism has a motor, a deceleration mechanism, and a reel, which are individually assembled on a bottom plate; wherein the motor is composed of a DC or brushless motor, and the motor has a shaft center, And its axis is connected with the speed change gear set of the reduction mechanism, and the reduction mechanism is provided with a projecting output shaft, which is set in the shaft hole of the reel through a one-way bearing set; and a belt is wound around the The peripheral edge of the reel, and its free end is connected to a steel cable. When the cable is pulled by force, the torque output by the motor will act on the reverse steel cable that applies the force; a fixing frame with a tie ring placed around the reel , The upper edge of the fixing frame is provided with a window to allow the free end of the belt to pass through; the outer side of the reel is provided with a main shaft for combining the inner end of a scroll spring, and the outer end is fixed on the The fixed frame, when the reel is pulled and rotated by the belt, it will force the volute spring to tighten and apply a reverse torque to the main shaft, and the one-way bearing in the shaft hole of the reel will be When the main shaft is rewinding, the output shaft of the deceleration mechanism does not move and does not drive the axis of the motor to rotate, so that the reel can quickly rewind the belt when the belt stops pulling; A weight pulling mechanism, which is provided with a plurality of guide wheels and a movement force applying unit. The steel cable surrounds the guide wheel, and its free end is connected with the movement force applying unit to enable the motor acting on the steel cable to output torque Is transmitted to the motion force unit, and the motion force unit can alternatively be connected to an extension member or a swing member; A controller with a built-in control circuit, which is provided with: a servo control unit, an arithmetic unit, a DC motor driver, a rotary encoder interface, and an angle sensor interface, and the controller is electrically connected to the motor , In order to adjust the current and signal delivered to the motor to control the torque of the motor; An electronic instrument, which is electrically connected to the controller, is used to input the load value and display the state of the movement stroke; A stroke sensor, including a light blocking disc arranged on the side of the reel and linked with it, and a pair of optical couplers arranged on the periphery of the light blocking disc, and the optical coupler is an electric The controller is sexually connected, and when force is applied to the extension member, the belt will drive the reel and the light-interrupting disc to rotate synchronously, and the pulse signal generated by the optical coupler will be sent to the controller. Rotary encoder interface; and an angle sensor, which is arranged outside the guide wheel of the weight pulling mechanism, and the angle sensor is electrically connected to the controller. When a force is applied to the swing member, the The steel cable drives the guide wheel to rotate, and the angle pulse signal generated by the angle sensor will be sent to the angle sensor interface in the controller; In this way, the desired movement torque value is input from the electronic instrument, and the servo control unit will send a load current through the DC motor driver to drive the motor to rotate to output the movement torque. The user applies force to the extension member or The rocking member will bear the motion torque and thus achieve the effect of muscle strength training; at the same time, the pulse signal generated by the optical coupler or angle sensor will be sent to the rotary encoder interface or angle sensor interface, through the After the calculation unit calculates, the servo control unit is provided for curve load control and appropriate compensation for the load current, so that the user can further obtain a smooth motion situation. According to the muscle training device described in item 1 of the scope of patent application, wherein the motor of the torque generating mechanism, the deceleration mechanism and the reel are connected to each other to form the same axis. For example, the muscle strength training device described in item 1 of the scope of patent application further includes a micro switch, which is arranged on the window side of the fixing frame so that it can start or stop immediately by sensing the displacement of the belt The operation of the motor. The muscle training device described in item 1 of the scope of the patent application further includes a protective cover which is wrapped around the outside of the scroll spring to provide safety protection.

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