TWM626655U - Resistance device and resistance training machine - Google Patents

Abstract

A resistance device and a resistance training machine including the resistance device, the resistance device includes a first rotating part, a second rotating part, a transmission unit, and a driving unit. The first rotating member is a conductor, and can rotate with a first axis as the axis. The second rotating member is spaced apart from the first rotating member, and includes a plurality of magnets with N poles and S poles staggered toward the first rotating member and arranged at intervals around the first axis. The transmission unit is connected to one of the first rotating member and the second rotating member. The driving unit is connected to the other of the first rotating member and the second rotating member. The driving unit is used for driving the connected first rotating member or the second rotating member to rotate, so as to provide resistance to the transmission unit through the eddy current generated by the first rotating member.

Description

Resistance Devices and Resistance Training Machines

The new model relates to a resistance device and a resistance training machine including the resistance device, in particular to a resistance device using the principle of eddy current braking, and a resistance training machine including the resistance device.

Resistance training is a training method that strengthens human muscle strength and motor function by making muscles resist external resistance. Through resistance training machines that can adjust the size of exercise resistance, in addition to training specific muscle groups, it can adjust the appropriate The resistance value makes resistance training more efficient and can achieve better fitness results. In addition to exercise and fitness, resistance training is also often used in the field of rehabilitation medicine, which is helpful for post-operative muscle strength recovery, improvement of disability caused by insufficient muscle strength, or treatment of neurological diseases. .

A conventional resistance training machine, such as a leg press machine (not shown), includes a weight-adjustable bar set, a seat, and a pedal connected to the bar set. The bar set allows users to adjust the resistance of the leg pusher by selecting and connecting bars of different weights and quantities through a latch. During operation, the user sits on the seat and pushes the pedal with his feet to move away from the seat. At this time, several bars connected to the bar set will be linked up to provide user resistance through the pedal , when the user reduces the force and relaxes, the pedal will be moved towards the position close to the seat by the gravitational force of the bar set, and at the same time the bars will slide down to the initial position, so that the user can repeatedly push The pedals are moved away from and near the seat for resistance training.

Since the resistance of this type of resistance training machine can only be adjusted manually and mechanically, the training needs to be interrupted each time it is adjusted, which limits the improvement of convenience. In addition, when the user completely relaxes from the position where the pedal is far from the seat and does not support the pedal, the bars will be affected by gravity and collide with each other to cause noise, which affects the tranquility.

Therefore, the purpose of the present invention is to provide a resistance device that can adjust and continuously provide resistance during training, and a resistance training machine including the resistance device.

Therefore, the novel resistance device includes a first rotating member, a second rotating member, a transmission unit, and a driving unit.

The first rotating member is a conductor, and can rotate with a first axis as the axis.

The second rotating member is spaced apart from the first rotating member, and includes a plurality of magnets with N poles and S poles staggered toward the first rotating member and arranged at intervals around the first axis. The first rotating member is connected to the first rotating member. When the second rotating member rotates relatively, the first rotating member is influenced by the magnets to generate an eddy current, thereby causing the first rotating member and the second rotating member to brake each other.

The transmission unit is connected to one of the first rotating member and the second rotating member, and the transmission unit is used to drive the connected first rotating member or the second rotating member to rotate.

The driving unit is connected to the other of the first rotating member and the second rotating member, and is used for receiving a control signal and driving the connected first rotating member or the first rotating member according to the control signal. The two rotating parts rotate, so as to provide resistance to the transmission unit through the eddy current generated by the first rotating part.

The novel resistance training machine includes a base, an operating device, and the resistance device as described above.

Both the operating device and the resistance device are arranged on the base. The transmission unit of the resistance device is connected to the operation device, so as to provide resistance to the operation of the operation device through the transmission unit.

The effect of the present invention lies in: with the above-mentioned device, the rotational speed of the first rotating member (or the second rotating member) can be controlled by the drive unit according to the received control signal, so as to be able to adjust during the training process and provide continuous The stable resistance improves the convenience of use, and can reduce the sound produced during training and reduce noise interference.

Referring to FIG. 1 and FIG. 2 , a first embodiment of the novel resistance training machine is shown.

The resistance training machine includes a base 1 , an operating device 3 , a resistance device 4 , and an instrument device 5 . The resistance training machine can choose whether to provide a seat 2 according to actual needs.

The seat 2 is arranged on the base 1 . In this embodiment, the seat 2 includes a base 21 and a seat back 22 that are integrally connected, but in other embodiments, the base 21 and the seat back 22 may be separate and adjustable, or It only has the horizontal base 21 without the seat back 22, so as to cooperate with different resistance training methods, and is not limited to this embodiment. In other embodiments, the resistance training machine may also not include the seat 2, and the user can perform training in a standing manner.

The operating device 3 includes a pedal group 31 and a push rod group 32 . The pedal set 31 is spaced apart from the seat 2 and disposed on the base 1 . When the user sits on the seat 2 , the user can push the pedal set 31 with his feet to keep the pedal set 31 away from the seat 2 . The push rod set 32 is disposed on the base 1 and on both sides of the seat 2 . When the user sits on the seat 2 , the push rod group 32 can be pushed by hand to keep the push rod group 32 away from the seat 2 .

It should be added that when the resistance training machine does not include the seat 2, the pedal group 31 may also be in a form for the user to push backward in a standing manner. The push rod set 32 can also be in a form for a user to push downward or upward, or a form for a user to unfold and pull from the front of the seat 2 to both sides of the seat 2, or a form for the user to pull from the seat 2 The two sides of the chair 2 are clamped and pulled toward the front of the seat 2 , or the user can pull from a position away from the seat 2 to a position close to the seat 2 . The operating device 3 may also include a leg rest bar set (not shown) for the user to push up or down with the calf, as long as the user can perform reciprocating operation for resistance training, it belongs to the scope of the present invention.

Referring to FIGS. 3 to 6 , the resistance device 4 includes a first rotating group 41 , a second rotating member 42 , a driving unit 43 , a transmission unit 44 , a sensing unit 45 , a control unit 46 , and a heat sink Fan 47.

The first rotating group 41 can rotate with a first axis L as the axis, and has a ring 411 , a rotating ring 412 and a connecting plate 413 . The collar 411 surrounds the first axis L and is made of a magnetic conductor, for example, iron. The rotating ring 412 is attached to the inner side of the collar 411 and is made of a conductor, for example, aluminum, copper, aluminum alloy or copper alloy. The peripheral edge of the connecting plate 413 is connected to the collar 411 and cooperates with the collar 411 to define a groove 410 .

The second rotating member 42 can rotate with its own axis as the center, and can rotate with the first axis L as the axis like the first rotating group 41 . The second rotating member 42 has an inner rotating ring 421 and several magnets 422 . The inner rotating ring 421 is disposed in the groove 410 . The inner rotating ring 421 is not connected to the connecting plate 413 and is spaced from the rotating ring 412 . The magnets 422 surround the first axis L and are disposed on the outer annular surface of the inner rotating ring 421 at intervals. The magnets 422 are arranged with N poles and S poles staggered toward the rotating ring 412 . The magnets 422 are spaced from the rotating ring 412 by a fixed gap, for example, a fixed gap of 2 mm. Among them, the magnets 422 are strong magnets, for example, NdFeB magnets are used, and the number is 12, but the number of the magnets 422 can be increased or decreased according to actual needs, and the number of the magnets 422 can be increased or decreased. This is limited. In addition, in other embodiments of the present invention, the positions of the collar 411 , the rotating ring 412 and the second rotating member 42 can be exchanged with each other, that is to say, the inner rotating ring can be the inner rotating ring in sequence from the outer ring to the inner ring 421 , the magnets 422 , the rotating ring 412 and the collar 411 , at this time, the second rotating member 42 surrounds the outside of the rotating ring 412 , and the inner annular surface of the second rotating member 42 faces the The magnets 422 are disposed on the inner annular surface of the inner rotating ring 421 , and the rotating ring 412 is also attached to the outer annular surface of the collar 411 .

The driving unit 43 is connected to one of the first rotating group 41 and the second rotating member 42 . In the first embodiment, the driving unit 43 is connected to the first rotating group 41 as an illustration. The driving unit 43 can be implemented using a motor pulley set, and is connected to the rotating ring 412 via the connecting plate 413 . The driving unit 43 is used for receiving a control signal and driving the first rotating group 41 to rotate around the first axis L according to the control signal. When the first rotating group 41 rotates relative to the second rotating member 42, an eddy current is generated in the rotating ring 412 through the relative rotation of the rotating ring 412 and the magnets 422, which are conductors. The magnetic field will change the magnetic field generated by the magnets 422 , thereby generating a tangential component force opposite to the moving direction, thereby causing mutual braking resistance between the first rotating group 41 and the second rotating member 42 .

It should be added that the generation of eddy current is generated by cutting through the magnetic field lines of the magnets 422 when the rotating ring 412 which is a conductor rotates. In the first embodiment, since the collar 411 is a magnetic conductor and is located on the opposite side of the rotating ring 412 to the magnets 422, the magnetic lines of force of the magnets 422 can be guided through the rotating ring 412 more concentratedly, and The effect of cutting the magnetic lines of force of the magnets 422 when the rotating ring 412 rotates is improved, thereby increasing the magnitude of the generated eddy current and resistance. In other embodiments of the present invention, the first rotating group 41 may not include the collar 411 , and the effect of generating eddy current and resistance can also be achieved.

Referring to FIGS. 2 to 5 , the transmission unit 44 is connected to one of the first rotating group 41 and the second rotating member 42 . In the first embodiment, the drive unit 43 is connected to the first The rotation group 41 is illustrated by the transmission unit 44 being connected to the second rotating member 42 . In other embodiments of the present invention, the positions of the first rotating group 41 and the second rotating member 42 can be exchanged. The second rotating member 42 is configured to be connected with the driving unit 43, and only the two can rotate relative to each other.

The transmission unit 44 is connected to the second rotating member 42 and the operating device 3, and includes a reel 441 connected to the second rotating member 42, a stretching belt 442 wound around the reel 441, and a reel 442 connected to the reel 441. The reset member 443 of the reel 441 . One end of the stretch belt 442 is connected to the reel 441 , and the other end is connected to the pedal set 31 and the push rod set 32 of the operating device 3 , and is linked by the pedal set 31 or the push rod set 32 to be pulled out. The reel 441 drives the reel 441 to rotate, and then drives the second rotating member 42 to rotate.

The restoring element 443 provides potential energy for the stretching tape 442 to be wound back to the spool 441 when the stretching tape 442 is pulled out from the reel 441 , for example, can be implemented using a scroll spring. In this way, when the user pushes the pedal set 31 or the push rod set 32 away from the seat 2 , the reset member 443 provides a constant movement to the seat through the stretch belt 442 to the pedal set 31 or the push rod set 32 The potential energy of the approach of chair 2. Therefore, as long as the user stops applying force after pushing the pedal set 31 or the push rod set 32, the pedal set 31 or the push rod set 32 will automatically return to approach the seat 2 through the reset member 443, so that the The pedal set 31 or the push rod set 32 can move away from and close to the seat 2 repeatedly.

The sensing unit 45 includes a photo-interrupting disc 451 connected to the second rotating member 42 and the transmission unit 44 , and a pair of photo-interrupting discs 452 disposed on the photo-interrupting disc 451 . The light interrupting disc 451 can be driven by the transmission unit 44 to rotate coaxially with the reel 441 at the same speed. The photo-interrupter 452 is used for sensing the rotation of the photo-interrupting disk 451 to know the length, speed and times of repeated stretching of the stretching belt 442 being stretched. In addition, in other embodiments of the present invention, the light-interrupting disk 451 may also have a different axis or different speed from the reel 441, and be connected to the reel through a set of connecting elements (not shown, for example, several gears) 441 rotates at a predetermined rotational speed ratio, and the sensed rotational amount of the light-blocking disc 451 can be obtained by the predetermined rotational speed ratio, and the length, speed and the number of times of repeated stretching of the stretch belt 442 to be stretched are calculated. .

The sensing unit 45 also includes a speed sensor 453 adjacent to the driving unit 43 for sensing the driving unit 43 (in the first embodiment, a pulley as indicated by the reference numeral 43 in FIG. 3 ) ) of the rotation speed.

The control unit 46 is signal-connected to the driving unit 43 , and can send the control signal to the driving unit 43 , thereby adjusting the rotational speed of the first rotating group 41 driven by the driving unit 43 , and then adjusting the second rotating member 42 The magnitude of the eddy current resistance with the first rotating group 41 . It should be noted here that, since the rotational speed of the first rotating group 41 driven by the driving unit 43 is much higher than the rotational speed of the second rotating member 42 driven by manpower, the resistance is mainly determined by the first rotating member 42 . The rotation speed of the rotating group 41 is determined, that is to say, its resistance is mainly controlled by the control unit 46, so that the control unit 46 can be set according to the user's setting only by setting the operation program of the control unit 46. The rotational speed of the first rotating group 41 is adjusted to change the magnitude of the resistance.

The cooling fan 47 is disposed adjacent to the first rotating group 41 and the second rotating member 42 , and is used to provide airflow to the first rotating group 41 and the second rotating member 42 . It should be added that when the first rotating group 41 and the second rotating member 42 rotate at a relatively high speed, both the first rotating group 41 and the second rotating member 42 will heat up, causing the magnets The magnetic force of the 422 will be reduced due to heat generation, thereby affecting the magnitude of the generated eddy current and resistance. Therefore, by arranging the cooling fan 47, heat dissipation can be enhanced to help maintain a stable resistance level.

The signal of the instrument device 5 is connected to the photo-interrupter 452 and the speed sensor 453 . The instrument device 5 is used to display sensing information for the user's reference, such as the stretched length and speed of the stretched belt 442 obtained by the photo-interrupter 452 by sensing the rotation of the photo-interrupter disk 451 The information such as the number of times of repeated stretching, or the rotational speed information sensed by the speed sensor 453, can be used as a reference for the user to perform resistance training to improve the convenience of use. The information can further plan a suitable training program and improve the training effect.

It should be added that in the first embodiment, the control signal sent by the control unit 46 and the related information sensed by the sensing unit 45 are both transmitted and integrated through digital signals. Therefore, in the In other embodiments of the present invention, the control unit 46 can also be integrated with the instrument device 5, for example, through a control panel (not shown) for the user to monitor information and adjust resistance, or the control unit The signals of 46 and the sensing unit 45 are connected to a remote software program, such as a mobile phone APP, and functions such as monitoring information and adjusting resistance can be performed through the mobile phone, thereby further improving the convenience of use.

7, 8 and 9, a second embodiment of the new resistance training machine, which is the same as the first embodiment, also includes the base 1, the seat 2, the operating device 3, the resistance Device 4, and this instrument device 5, differ by:

The first rotating group 41 of the resistance device 4 has a guide disk 414 , a conductive disk 415 , and a connection disk 413 . The conductive disk 415 faces the magnets 422 and takes the first axis L as the axis. The conductive disk 415 is a conductor, for example, can be made of aluminum material, copper material, aluminum alloy or copper alloy. The conductive disk 414 is attached to the side of the conductive disk 415 opposite to the second rotating member 42 , and its material is a magnetic conductor, for example, iron material. The connecting pad 413 connects the side of the conductive disc 414 opposite to the conductive pad 415 and the driving unit 43 .

The second rotating member 42 has a disc-shaped magnet base 423 and a plurality of magnets 422 disposed on the magnet base 423 . The magnet base 423 is connected to the transmission unit 44 and is spaced parallel to the surface of the conductive disc 415 . The magnets 422 are disposed in the circular grooves 420 , and are arranged with N poles and S poles alternately facing the conductive plate 415 , and have a fixed gap with the conductive plate 415 , for example, a fixed interval of 2 mm. The first rotating group 41 and the second rotating member 42 can rotate with the first axis L as the axis.

The driving unit 43 can drive the first rotating group 41 to rotate around the first axis L, and generate an eddy current in the conductive disk 415 through the relative rotation of the conductive disk 415 and the magnets 422 during rotation. Furthermore, through the change of the magnetic field, the conductive disc 415 and the second rotating member 42 generate mutual braking resistance.

In the second embodiment, since the conductive disk 414 is a magnetic conductor and is located on the opposite side of the conductive disk 415 to the magnets 422, the magnetic lines of force of the magnets 422 can be guided through the conductive disk 415 more concentratedly, and The effect of cutting the magnetic lines of force of the magnets 422 when the conductive disk 415 rotates is improved, thereby increasing the magnitude of the generated eddy current and resistance. In other embodiments of the present invention, the first rotating group 41 may not include the conductive disk 414, and the effect of generating eddy current and resistance can also be achieved.

After actual testing, in the second embodiment, for example, when the driving unit 43 is used as the motor pulley set, when the motor speed of the driving unit 43 reaches 357 RPM (revolution per minute, Revolution(s) Per Minute), the The resistance of the stretch belt 442 is 9.2 kg; when the motor speed of the drive unit 43 reaches 2051 RPM, the resistance of the stretch belt 442 is 26.2 kg. Therefore, the resistance device 4 of the new type can indeed achieve The driving unit 43 drives the first rotating group 41 to rotate to provide the effect of resistance, and at the same time, the resistance can be adjusted by adjusting the rotational speed of the driving unit 43 driving the first rotating group 41 .

Through the above description, the advantages of the foregoing embodiments can be summarized as follows:

1. The resistance device 4 drives a connected first rotating member (rotating ring 412, conductive disc 415) or the second rotating member 42 to rotate according to the control signal received by the driving unit 43, so that the conductor The first rotating member and the second rotating member 42 provided with several magnets 422 with N and S poles staggered rotate with each other, and an eddy current is generated in the first rotating member, thereby providing resistance to the transmission unit 44 . The resistance device 4 can control the rotation speed of the first rotating member (or the second rotating member 42 ) through the control signal, so as to provide continuous and stable resistance, and can adjust the resistance during the training process according to the needs to improve the use of Convenience while reducing the noise generated during training.

2. By setting the resistance device 4 and connecting the transmission unit 44 to the operation device 3, the resistance training machine can provide resistance to the operation of the operation device 3 through the transmission unit 44, so the user can operate the operation device 3 through the transmission unit 44. Device 3 can be used for resistance training, and at the same time, it can be used according to the needs of training (for example, anaerobic muscle strength training for specific muscle groups such as hands, legs, back or chest, or lower-intensity exercises used in the field of rehabilitation medicine). Resistance training) with different forms of operating devices 3 to achieve better training results.

3. By arranging the sensing unit 45 and the meter unit 5 for the user to monitor information, the convenience of use can be improved, and at the same time, an appropriate training plan can be further planned through the above information, thereby improving the training effect.

4. By setting the control unit 46 to control the driving unit 43 to drive the rotation speed of the first rotating member (or the second rotating member 42 ), the control unit 46 can be adjusted to drive the driving unit 43 according to the user’s settings. The rotational speed of the first rotating member (or the second rotating member 42 ) changes the size of the resistance, so that the convenience of use can be improved.

5. Integrate the control unit 46 and the instrument device 5 into the control panel by integrating digital signals, or connect the control unit 46 and the sensing unit 45 to a remote software program ( For example, a mobile phone APP), which can monitor information and adjust resistance at the same time, thereby improving the convenience of use.

6. By arranging the cooling fan 47 , the cooling effect can be improved, and the resistance device 4 can be assisted to provide the user with continuous and stable resistance, thereby avoiding the problem that the resistance decreases when overheating and affects the training effect.

However, the above are only examples of the present invention, which should not limit the scope of the present invention. Any simple equivalent changes and modifications made in accordance with the scope of the patent application for this new model and the contents of the patent specification are still within the scope of the present invention. within the scope of this new patent.

1: Base 2: Seat 21: Base 22: Chair back 3: Operating device 31: Pedal set 32: Putter set 4: Resistance device 41: The first rotation group 410: Groove 411: Collar 412: Rotary Ring 413: Connection plate 414: Guide disk 415: Conductive disc 42: Second rotating part 420: round groove 421: Inner rotating ring 422: Magnet 423: Magnet holder 43: Drive unit 44: Transmission unit 441: Scroll 442: Stretch Band 443: reset piece 45: Sensing unit 451: Light Interrupting Disc 452: Photo Interrupter 453: Speed Sensor 46: Control unit 47: Cooling fan 5: Instrumentation device L: the first axis

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, wherein: 1 is a perspective view illustrating a first embodiment of the novel resistance training machine; Figure 2 is a side view of the first embodiment; 3 is a perspective view of a resistance device of the first embodiment; 4 is a top view of the resistance device of the first embodiment; 5 is an exploded perspective view of the resistance device of the first embodiment; 6 is a cross-sectional view taken along line VI-VI in FIG. 4; 7 is a perspective view illustrating the resistance device of a second embodiment of the novel resistance training machine; FIG. 8 is an incomplete top view of the second embodiment, illustrating the structure of a first rotating member and a second rotating member; and FIG. 9 is a front view of the second rotating member of the second embodiment.

4: Resistance device

41: The first rotation group

411: Collar

413: Connection plate

43: Drive unit

44: Transmission unit

442: Stretch Band

45: Sensing unit

451: Light Interrupting Disc

452: Photo Interrupter

46: Control unit

47: Cooling fan

L: the first axis

Claims (10)

A resistance device comprising: a first rotating member, which is a conductor, and can rotate with a first axis as the axis; A second rotating member is arranged spaced apart from the first rotating member, and includes a plurality of magnets with N poles and S poles staggered toward the first rotating member and arranged at intervals around the first axis, on the first rotating member When rotating relative to the second rotating member, the first rotating member is influenced by the magnets to generate eddy currents, thereby causing the first rotating member and the second rotating member to brake each other; a transmission unit connected to one of the first rotating member and the second rotating member, the transmission unit is used to drive the connected first rotating member or the second rotating member to rotate; and A driving unit connected to the other of the first rotating member and the second rotating member, the driving unit is used for receiving a control signal, and driving the connected first rotating member or the connected first rotating member according to the control signal The second rotating member rotates, thereby providing resistance to the transmission unit through the eddy current generated by the first rotating member. The resistance device according to claim 1, wherein the first rotating member is a conductive disk with a disk surface facing the magnets, and the conductive disk takes the first axis as an axis. The resistance device according to claim 2, further comprising a conductive disk located on a side of the conductive disk opposite to the second rotating member, the conductive disk being a magnetic conductor. The resistance device of claim 1, wherein the first rotating member is a rotating ring with the first axis as the axis, and the rotating ring is sleeved or passed through the second rotating member at intervals. The resistance device of claim 4, further comprising a collar surrounding the first axis and located on a side of the rotating ring opposite to the magnets, the collar being a magnetic conductor. The resistance device of claim 1, further comprising a control unit connected to the driving unit with a signal, the control unit outputting the control signal to control the driving unit to drive the first rotating member or the second rotating member rotation speed. The resistance device according to claim 1, wherein the transmission unit comprises a reel connected to the corresponding first rotating member or the corresponding second rotating member, a stretching belt wound around the reel, and a The reset member connected to the reel, the stretch belt can be pulled out of the reel to drive the reel to rotate with the corresponding first rotating member or the corresponding second rotating member. When the spool is pulled out, it provides the potential energy for the stretch tape to be wound back to the spool. The resistance device according to claim 1, further comprising a cooling fan for providing wind flow to the first rotating member and the second rotating member. A resistance training machine comprising: a base; an operating device disposed on the base; and The resistance device as claimed in claim 1 is disposed on the base, and the transmission unit of the resistance device is connected to the operation device, so as to provide resistance to the operation of the operation device through the transmission unit. The resistance training machine according to claim 9, further comprising a seat disposed on the base, the operating device comprising a pedal set and a push rod set connected to the transmission unit, the pedal set and the push rod set During operation, the transmission unit is linked to rotate the corresponding first rotating member or the corresponding second rotating member.

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