CN212593805U - Adopt strength training equipment that motor resistance adjusted - Google Patents
Adopt strength training equipment that motor resistance adjusted Download PDFInfo
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- CN212593805U CN212593805U CN202021499224.9U CN202021499224U CN212593805U CN 212593805 U CN212593805 U CN 212593805U CN 202021499224 U CN202021499224 U CN 202021499224U CN 212593805 U CN212593805 U CN 212593805U
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Abstract
The utility model discloses a strength training device adopting motor resistance adjustment, which comprises a main frame, wherein the main frame is provided with a one-way hub brushless motor, a main belt pulley, a tension belt pulley, a training end and a touch screen; the main belt wheel is installed on the body frame through the pivot, the training end passes through the connecting rod and is connected with the pivot, the utility model discloses a strength training equipment can effectively reduce the dead weight of product and occupy the space, and load size regulation changes gently, can adopt the touch screen to operate to can show training data, satisfy body-building crowd to intelligent body-building equipment's demand.
Description
Technical Field
The utility model relates to a fitness equipment, in particular to a strength training equipment adopting motor resistance adjustment.
Background
In order to adjust the training load, the existing strength training equipment basically uses a cement weight plate or a cast iron weight plate as the training load, inserts a selection shaft into selection holes of different weight plates, and uses a steel cable to lift the weight plate along a guide rod so as to achieve the purpose of selecting the training load.
The strength training load adjusting mode leads to the fact that the self weight of the strength training equipment is generally too large, the occupied space is large, the resistance adjusting mode is single, and the intelligent urgent requirements of fitness groups on the fitness equipment cannot be met.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an adopt strength training equipment that motor resistance adjusted to reach the dead weight that effectively reduces the product and occupy the space, load size regulation changes gently, can adopt the touch screen to operate, and can carry out the purpose that shows to training data.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
a strength training device adopting motor resistance adjustment comprises a main frame, wherein a one-way hub brushless motor, a main belt pulley, a tensioning belt pulley, a training end and a touch screen are arranged on the main frame; the main belt pulley is installed on the main frame through a rotating shaft, and the training end is connected with the rotating shaft through a connecting rod.
In the above scheme, the main frame is further provided with a steering belt pulley between the tensioning belt pulley and the unidirectional hub brushless motor, and the unidirectional hub brushless motor is an outer rotor motor or an inner rotor motor or a side rotor motor.
In a further technical scheme, the belt winch is fixed on a rotor shell of the outer rotor motor or the side rotor motor or a main shaft of the inner rotor motor.
In the scheme, two ends of the rotating shaft are arranged on the main frame through the bearing with the seat.
In the above scheme, the training end is a training arm or a kicking frame.
In the scheme, the one-way hub brushless motor is installed at the bottom of the main frame through the motor fixing frame.
In the above scheme, the main frame is provided with an encoder for detecting the position and the pulling distance of the belt.
A strength training control method adopting motor resistance adjustment adopts the strength training equipment, and comprises the following processes:
(1) the alternating current input power supply voltage is rectified and transformed by the switching power supply to output direct current power supply voltage which is used as a lower control panel power supply and a driving power supply of the unidirectional hub brushless motor; in the power-on initial state, the lower control board performs self-checking, and the belt is reset to 0 position; the unidirectional hub brushless motor rotates in the positive direction, constant torque is output, and a belt is ensured to be in a tensioned state all the time;
(2) the trainer sets training parameters through the touch screen, and the instruction information of the parameters is transmitted to the lower control board in a pulse signal mode;
(3) the lower control board controls a driving circuit of the unidirectional hub brushless motor according to the instruction information so as to adjust the voltage and the current supplied to the unidirectional hub brushless motor, thereby changing the output torque of the unidirectional hub brushless motor;
(4) when a trainer operates the training end, the training end drives the main belt pulley to rotate through the connecting rod and the rotating shaft, so that the unidirectional hub brushless motor rotates reversely through the belt, output torsion generated by the forward rotation of the unidirectional hub brushless motor is offset, and the purpose of generating training load is achieved; the lower control board detects and judges the position and the pulling distance of the belt through the encoder, and transmits related data to the touch screen to display related motion data;
(5) after the trainer loosens the training end, the output torque force generated by the one-way hub brushless motor enables the training equipment to reset, and a group of training actions is completed.
Through the technical scheme, the strength training equipment adopting the motor resistance adjustment provided by the utility model uses the unidirectional hub brushless motor to replace the traditional counterweight plate for resistance adjustment, which is beneficial to reducing the volume and the occupied space of the body-building equipment and has low cost; the adjusting mode can continuously change and adjust the output torque force, and is flexible; the output torque force of the unidirectional hub brushless motor is adjusted through the touch screen and the lower control board, so that the training load is adjusted, training data can be displayed in real time, and the requirements of fitness crowds on intelligent fitness equipment are met.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic view of an upper limb strength training device adopting motor resistance adjustment according to a first embodiment of the present invention;
fig. 2 is a schematic view of a lower limb strength training device adopting motor resistance adjustment as disclosed in the second embodiment of the present invention;
fig. 3 is a schematic view of an external structure of a lower limb strength training apparatus adopting motor resistance adjustment as disclosed in the second embodiment of the present invention;
fig. 4 is a schematic diagram of a training control method according to an embodiment of the present invention.
In the figure, 1, a main frame; 2. a unidirectional hub brushless motor; 3. a primary pulley; 4. a tensioning belt pulley; 5. a steering pulley; 6. a touch screen; 7. a belt winch; 8. a belt; 9. a rotating shaft; 10. a training arm; 11. a connecting rod; 12. a kicking frame; 13. an encoder; 14. motor mount, 15, training chair.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
The utility model provides a strength training device adopting motor resistance adjustment, such as the upper limbs strength training device shown in figure 1, which comprises a main frame 1, wherein the main frame 1 is provided with a one-way hub brushless motor 2, a main belt pulley 3, a tensioning belt pulley 4, a steering belt pulley 5, a training arm 10 and a touch screen 6, the one-way hub brushless motor 2 is provided with a belt winch 7, one end of a belt 8 is wound and fixed on the belt winch 7, and the other end is fixed on the main belt pulley 3 after passing through the steering belt pulley 5 and the tensioning belt pulley 4; the main belt pulley 3 is mounted on the main frame 1 through a rotating shaft 9. The two training arms 10 are respectively connected with two ends of the rotating shaft 9 through connecting rods 11.
As shown in fig. 2 and 3, the lower limb strength training device comprises a main frame 1, wherein the main frame 1 is provided with a unidirectional hub brushless motor 2, a main belt pulley 3, a tensioning belt pulley 4, a kicking frame 12 and a touch screen 6, the unidirectional hub brushless motor 2 is provided with a belt winch 7, one end of a belt 8 is wound and fixed on the belt winch 7, and the other end of the belt 8 is fixed on the main belt pulley 3 after passing through the tensioning belt pulley 4; the main belt pulley 3 is mounted on the main frame 1 through a rotating shaft 9. The kicking stand 12 is connected to one end of the rotary shaft 9 through a connecting rod 11. The direction of the primary pulley 3 in this second embodiment is different from the direction of the first embodiment, and therefore, a diverting pulley is not required in this embodiment.
Two ends of the rotating shaft 9 are arranged on the main frame 1 through bearings with seats. The unidirectional hub brushless motor is arranged at the bottom of the main frame 1 through a motor fixing frame 14. An encoder 13 for detecting the position and the pulling distance of the belt is arranged at the position, close to the unidirectional hub brushless motor 2, on the main frame 1.
In this embodiment, the one-way hub brushless motor 2 can be an outer rotor motor, the motor rotor is a magnetic pole of the outer ring of the housing, the coil inside the motor is a fixed stator, the motor housing rotates by cutting magnetic lines of force after being powered on, the motor housing is that the rotor of the motor is connected with the belt winch 7 through a bolt, and then power and resistance are transmitted through the belt winch 7. The one-way hub brushless motor 2 can also be an inner rotor motor, a motor rotor is an internal coil, a stator of a motor fixing part is a magnetic pole, the motor rotor coil rotates by cutting magnetic lines of force after being electrified, one end of a rotor spindle is connected with a belt winch 7 in a shaft mode, and power and resistance are transmitted through the belt winch 7. The unidirectional hub brushless motor 2 can also be a side rotor structure, the side rotor structure actually belongs to one of external rotor motors, a motor rotor is arranged on the side surface of a stator, the inner side of the motor rotor is a magnetic pole, a coil inside the motor is a fixed stator, the motor rotor and a rotating shaft on the side surface are rotated by cutting magnetic lines of force after electrification, one end of a rotor spindle is connected with a belt winch 7 in a shaft mode, and power and resistance are transmitted through the belt winch 7. The motor resistance adjusting mode can replace the traditional counterweight plate training load adjusting mode.
A strength training control method adopting motor resistance adjustment adopts the strength training equipment, and comprises the following processes:
(1) the alternating current input power voltage (AC110V-220V) is rectified and transformed by a switching power supply to output direct current power voltage (DC48V) which is used as the power supply of a lower control panel and the driving power supply of the unidirectional hub brushless motor 2; in the power-on initial state, the lower control board performs self-checking to reset the belt 5 to 0 position; the unidirectional hub brushless motor 2 rotates forwards, 5 pounds of torque force is constantly output, and the belt 5 is always in a tensioned state;
(2) the trainer sets training parameters through the touch screen 6, and the instruction information of the parameters is transmitted to the lower control board in a pulse signal mode;
(3) the lower control board controls a driving circuit of the unidirectional hub brushless motor 2 according to the instruction information to adjust the voltage and current supplied to the unidirectional hub brushless motor 2, so that the output torque of the unidirectional hub brushless motor 2 is changed;
(4) a trainer can sit on the training chair 15, when the trainer pulls the two training arms 10 downwards or kicks the kicking frame 12 forwards, the training arms 10 or the kicking frame 12 drive the main belt pulley 3 to rotate through the connecting rod 11 and the rotating shaft 9, and then the unidirectional hub brushless motor 2 rotates reversely through the belt 8, so that the output torque force generated by the forward rotation of the unidirectional hub brushless motor 2 is counteracted, and the purpose of generating training load is achieved; the lower control board detects and judges the position and the pulling distance of the belt 8 through the encoder 13, and transmits related data to the touch screen 6 to display the related motion data; (5) after the trainer loosens the training arm 10 or the kicking frame 12, the output torque force generated by the unidirectional hub brushless motor 2 enables the training equipment to reset, and a group of training actions are completed.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A strength training device adopting motor resistance adjustment comprises a main frame and is characterized in that the main frame is provided with a one-way hub brushless motor, a main belt pulley, a tensioning belt pulley, a training end and a touch screen, wherein the one-way hub brushless motor is provided with a belt winch, one end of a belt is wound and fixed on the belt winch, and the other end of the belt is fixed on the main belt pulley after passing through the tensioning belt pulley; the main belt pulley is installed on the main frame through a rotating shaft, and the training end is connected with the rotating shaft through a connecting rod.
2. The strength training equipment adopting motor resistance adjustment according to claim 1, wherein a steering pulley is further arranged between the tensioning pulley and the unidirectional hub brushless motor on the main frame.
3. A strength training apparatus using motor resistance adjustment according to claim 1 wherein the unidirectional hub brushless motor is an external rotor motor or an internal rotor motor or a side rotor motor.
4. A strength training apparatus using motor resistance adjustment according to claim 3, wherein the belt winch is fixed to the rotor housing of the outer rotor motor or the side rotor motor, or to the main shaft of the inner rotor motor.
5. The strength training equipment adopting motor resistance adjustment according to claim 1, wherein two ends of the rotating shaft are mounted on the main frame through bearings with seats.
6. A strength training apparatus using motor resistance adjustment according to any one of claims 1 to 5 wherein the training end is a training arm or kickstand.
7. The strength training equipment adopting motor resistance adjustment according to claim 1, wherein the one-way hub brushless motor is mounted at the bottom of the main frame through a motor fixing frame.
8. A strength training apparatus using motor resistance adjustment according to claim 1, wherein an encoder for detecting the position and pulling distance of the belt is installed on the main frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021499224.9U CN212593805U (en) | 2020-07-24 | 2020-07-24 | Adopt strength training equipment that motor resistance adjusted |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021499224.9U CN212593805U (en) | 2020-07-24 | 2020-07-24 | Adopt strength training equipment that motor resistance adjusted |
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| CN212593805U true CN212593805U (en) | 2021-02-26 |
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| CN202021499224.9U Active CN212593805U (en) | 2020-07-24 | 2020-07-24 | Adopt strength training equipment that motor resistance adjusted |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111760248A (en) * | 2020-07-24 | 2020-10-13 | 青岛钜源健身科技有限公司 | Strength training equipment adopting motor resistance adjustment and training control method |
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- 2020-07-24 CN CN202021499224.9U patent/CN212593805U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111760248A (en) * | 2020-07-24 | 2020-10-13 | 青岛钜源健身科技有限公司 | Strength training equipment adopting motor resistance adjustment and training control method |
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