CN115708943A - Body-building apparatus and external magnetic control device thereof - Google Patents

Abstract

The invention discloses a body-building apparatus and an external magnetic control device of the body-building apparatus, wherein the external magnetic control device comprises a shell, a magnetic control unit, a driving unit and a pulse unit, a magnetic control pivoting end of the magnetic control unit is rotatably arranged on the shell, the driving unit comprises a driving motor, at least one transmission arm and a speed reducing mechanism connected with the driving motor and the transmission arm, the end part of the transmission arm is rotatably arranged on the magnetic control unit, the pulse unit comprises a grid element and an infrared receiving element which are connected with the speed reducing mechanism in a driving way, the infrared receiving element is provided with a transmitting part and a receiving part corresponding to the transmitting part, the transmitting part and the receiving part are respectively arranged at two opposite sides of an optical path channel of the grid element, the pulse unit is arranged to be capable of generating pulse signals, and the driving unit is arranged to drive the magnetic control swinging end of the magnetic control unit to swing relative to the shell based on the pulse signals.

Description

Fitness equipment and external magnetic control device for fitness equipment

technical field

The invention relates to the field of fitness equipment, in particular to a fitness equipment and an external magnetic control device of the fitness equipment.

Background technique

In recent years, fitness equipment used for aerobic exercise such as spinning bikes and elliptical machines has been widely welcomed in the market. The existing fitness equipment provides a vehicle frame, a stepping device mounted on the frame, a flywheel rotatably mounted on the frame and drivably connected to the stepping device, and a Installed on the frame and the external magnetic control device that provides a magnetic field environment, when the user drives the flywheel to rotate by stepping on the stepping device continuously, the flywheel cuts the magnetic induction line of the external magnetic control device to obtain resistance. By adjusting the external magnetic The resistance of the fitness equipment can be adjusted by controlling the distance between the control device and the flywheel. How to precisely adjust the distance between the external magnetic control device and the flywheel is a technical problem that the inventors of the present invention have devoted themselves to solving.

In addition, in order to quickly stop the rotating flywheel, the fitness equipment also provides a braking device, which prevents the flywheel from continuing to rotate by generating friction with the flywheel. The braking device and the external magnetic control device of the existing fitness equipment are independent of each other. In order to facilitate the user who is using the fitness equipment to operate the braking device, the braking device is usually installed on the upper side of the flywheel, which leads to The outer magnetic control device inevitably needs to be installed on the underside of the flywheel. The defect that the external magnetic control device and the brake device of the existing fitness equipment are independent of each other is: firstly, the independent mode of the brake device and the external magnetic control device results in a complex structure of the fitness equipment and low reliability. Second, the braking device and the external magnetic control device are independently installed on the upper side and the lower side of the flywheel, causing the installation space around the flywheel to be occupied by a large area, so that it is impossible to configure more Many parts limit the function of the fitness equipment; again, because the resistance adjustment of the fitness equipment needs to be realized by adjusting the position of the external magnetic control device relative to the flywheel, and the external magnetic control device is installed on the flywheel The way of the lower side leads to complicating the control of the external magnetron device.

Contents of the invention

A main advantage of the present invention is to provide a fitness equipment and an external magnetic control device of the fitness equipment, wherein the distance of a magnetic control unit of an external magnetic control device of the fitness equipment relative to a flywheel of the fitness equipment can be precisely adjusted .

Another advantage of the present invention is to provide a fitness equipment and an external magnetic control device of the fitness equipment, wherein the external magnetic control device provides a driving unit, and the driving unit can precisely adjust the position of the magnetic control unit relative to the flywheel based on the pulse signal. distance.

Another advantage of the present invention is to provide a fitness equipment and an external magnetic control device of the fitness equipment, wherein the external magnetic control device provides a pulse unit, and the driving unit drives the magnetic control unit to adjust the magnetic control unit relative to the flywheel When the distance is long, the pulse unit can generate a pulse signal to allow the drive unit to precisely adjust the distance of the magnetic control unit relative to the flywheel based on the pulse signal.

Another advantage of the present invention is to provide a fitness equipment and an external magnetic control device for fitness equipment, wherein the drive unit provides a drive motor, a drive arm and a speed reduction mechanism connecting the drive motor and the drive arm, the drive motor is in the form of The output shaft of the drive motor is arranged obliquely upward, which is beneficial to arrange the drive unit in a limited space and make the structure of the external magnetic control device compact.

Another advantage of the present invention is to provide a fitness equipment and an external magnetic control device of the fitness equipment, wherein the external magnetic control device provides a braking unit, and the braking unit and the magnetic control unit are integrated into an integral structure to facilitate the simplification of the The structure of fitness equipment and guarantee the reliability of the fitness equipment.

Another advantage of the present invention is to provide a fitness equipment and the external magnetic control device of the fitness equipment, wherein the miniaturization of the external magnetic control device can be realized by integrating the magnetic control unit and the braking unit, so that the external magnetic control device After being installed on the fitness equipment, it can occupy a small installation space.

Another advantage of the present invention is to provide a fitness equipment and an external magnetic control device of the fitness equipment, wherein the external magnetic control device can be integrally installed on the upper side of the flywheel, so that the user can operate the magnetic control unit alone or independently operate the brake unit. In other words, the function of the magnetic control unit of the external magnetic control device and the function of the braking unit do not affect each other, so that the braking unit will not be affected when the user operates the magnetic control unit, and correspondingly, when the user operates the braking unit It will not affect the magnetic control unit.

In order to achieve at least one of the above-mentioned advantages of the present invention, the present invention provides an external magnetic control device for fitness equipment, which includes:

a shell;

A magnetic control unit, wherein the magnetic control unit has a magnetic control pivot end and a magnetic control swing end corresponding to the magnetic control pivot end, wherein the magnetic control pivot end of the magnetic control unit is rotatably installed on The housing, and the magnetic control swing end of the magnetic control unit is allowed to swing relative to the housing;

A drive unit, wherein the drive unit includes a drive motor, a reduction mechanism and at least one transmission arm, the reduction mechanism is connected to the drive motor, one end of the transmission arm is drivably connected to the reduction mechanism, and one end is rotatably mounted to the magnetic control unit; and

A pulse unit, wherein the pulse unit includes a grid element and an infrared receiving element, wherein the grid element is drivably connected to the deceleration mechanism, and the grid element has a plurality of optical path channels, wherein the infrared receiving element There is a transmitting part and a receiving part corresponding to the transmitting part, the transmitting part and the receiving part are respectively arranged on opposite sides of the optical path channel of the grid element, wherein the pulse unit is configured to generate a pulse signal, And the driving unit is configured to drive the magnetic control swing end of the magnetic control unit to swing relative to the housing based on the pulse signal.

In order to achieve at least one of the above-mentioned advantages of the present invention, the present invention further provides a fitness equipment, a vehicle frame;

a pedaling device, wherein the pedaling device is mounted on the frame in a treadable manner;

a flywheel, wherein the flywheel is rotatably mounted to the frame and drivably connected to the pedaling device; and

An external magnetic control device, wherein the magnetic control device further comprises:

a shell, wherein the shell is mounted on the frame;

A magnetic control unit, wherein the magnetic control unit has a magnetic control pivot end, a magnetic control swing end corresponding to the magnetic control pivot end and a magnetic control space, wherein the magnetic control pivot end of the magnetic control unit is rotatably mounted on the casing, and the magnetic control swing end of the magnetic control unit is allowed to swing relative to the casing, wherein a part of the flywheel is held in the magnetic control space of the magnetic control unit;

A drive unit, wherein the drive unit includes a drive motor, a reduction mechanism and at least one transmission arm, the reduction mechanism is connected to the drive motor, one end of the transmission arm is drivably connected to the reduction mechanism, and one end is rotatably mounted to the magnetic control unit; and

A pulse unit, wherein the pulse unit includes a grid element and an infrared receiving element, wherein

The grid element is drivably connected to the deceleration mechanism, and the grid element has a plurality of optical path channels, wherein the infrared receiving element has an emitting part and a receiving part corresponding to the emitting part, the emitting part and the The receiving parts are respectively arranged on opposite sides of the optical path of the grid element, wherein the pulse unit is arranged to generate a pulse signal, and the driving unit is arranged to drive the magnetron swing of the magnetron unit based on the pulse signal The end swings relative to the housing.

Further advantages of the invention will fully emerge from an understanding of the ensuing description and accompanying drawings.

Description of drawings

The above and other objects, features and advantages of the present invention will become more apparent through a more detailed description of the embodiments of the present application in conjunction with the accompanying drawings. The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification, and are used together with the present invention to explain the content of the present invention, and do not constitute a limitation to the present invention. In the drawings, the same reference numerals generally represent the same components or steps.

Fig. 1 is a schematic front view of a fitness equipment according to a preferred embodiment of the present invention.

FIG. 2 is a perspective view of an external magnetic control device of the fitness equipment according to the above-mentioned preferred embodiment of the present invention.

Fig. 3 is a schematic perspective view of another perspective of the outer magnetic control device of the fitness equipment according to the above-mentioned preferred embodiment of the present invention.

Fig. 4 is a schematic front view of the outer magnetic control device of the fitness equipment according to the above-mentioned preferred embodiment of the present invention.

FIG. 5 is an exploded schematic view of the outer magnetic control device of the fitness equipment according to the above-mentioned preferred embodiment of the present invention.

Fig. 6 is an exploded schematic diagram of another viewing angle of the outer magnetic control device of the fitness equipment according to the above-mentioned preferred embodiment of the present invention.

FIG. 7 is a schematic perspective view of a magnetic control unit of the outer magnetic control device of the fitness equipment according to the above-mentioned preferred embodiment of the present invention.

FIG. 8 is an exploded schematic view of a driving unit of the outer magnetic control device of the fitness equipment according to the above-mentioned preferred embodiment of the present invention.

FIG. 9 is an exploded schematic diagram of another viewing angle of the drive unit of the outer magnetic control device of the fitness equipment according to the above preferred embodiment of the present invention.

Fig. 10 is a schematic perspective view of a pulse unit of the outer magnetic control device of the fitness equipment according to the preferred embodiment of the present invention.

FIG. 11A and FIG. 11B are schematic front views of different states of a partial structure of the outer magnetic control device of the fitness equipment according to the above-mentioned preferred embodiment of the present invention.

Detailed ways

Hereinafter, exemplary embodiments according to the present application will be described in detail with reference to the accompanying drawings. Apparently, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments of the present application. It should be understood that the present application is not limited by the exemplary embodiments described here.

Referring to accompanying drawings 1 to 11B, a fitness equipment according to a preferred embodiment of the present invention is illustrated, wherein the fitness equipment comprises a vehicle frame 10, a pedal device 20, a flywheel 30 and an outer magnetic control device 40 . The pedal device 20 is mounted on the frame 10 in a step-on manner. The flywheel 30 is rotatably mounted on the vehicle frame 10 and drivably connected to the pedal device 20, so that the user can drive the flywheel 30 relative to the vehicle frame 10 by stepping on the pedal device 20. turn. The outer magnetic control device 40 is installed on the vehicle frame 10, and the outer magnetic control device 40 includes a drive unit 41 and a magnetic control unit 42 drivably connected to the drive unit 41, and the magnetic control unit 42 provides Magnetic field environment, a part of the flywheel 30 is kept in the magnetic field environment of the magnetic control unit 42, so that the magnetic control unit 42 provides resistance based on magnetism so that the flywheel 30 has a load, wherein the drive unit 41 can drive the magnetic control unit 42 to adjust the distance of the magnetic control unit 42 relative to the flywheel 30, so as to adjust the load of the flywheel 30.

It is worth mentioning that the type of the fitness equipment is not limited in the present invention, for example, the fitness equipment can be a spinning bike, refer to FIG. 1 , or the fitness equipment can be an elliptical machine.

Continuing to refer to FIG. 1 , the frame 10 of the fitness equipment includes a base frame 11 , a seat portion 12 and an armrest portion 13 . The base frame 11 further includes a front support leg 111, a rear support leg 112, a main inclined frame 113, a mounting frame 114, a front inclined frame 115 and a rear inclined frame 116, wherein the main inclined frame 113 is formed from the rear The middle part of the support leg 112 extends forward and upwards obliquely to and is connected to the mounting frame 114, so that the rear support leg 112 and the mounting frame 114 are connected by the main inclined frame 113, wherein the front inclined frame 115 starts from the front The middle part of the supporting leg 111 extends backwards and upwards obliquely to and is connected to the high end of the main inclined frame 113, so that the front supporting leg 111 and the main inclined frame 113 are connected by the front inclined frame 115, wherein the rear inclined frame 116 extends obliquely backward and upward from the lower end of the main inclined frame 113 . The seat part 12 further includes a seat adjustment frame 121 and a seat 122 arranged on the seat adjustment frame 121, wherein the seat adjustment frame 121 is adjustably installed on the rear tilt frame 116 to allow The height of the seat 122 is adjusted. The armrest part 13 further includes an armrest adjustment frame 131 and an armrest 132 arranged on the armrest adjustment frame 131, wherein the armrest adjustment frame 131 is adjustably installed on the mounting frame 114 to allow the height of the armrest 132 to be adjusted. adjust.

Continuing to refer to FIG. 1 , the flywheel 30 is rotatably mounted on the front inclined frame 115 of the base frame 11 of the vehicle frame 10 . The pedal device 20 includes a pedal mechanism 21, a driving wheel 22 and a transmission belt 23, wherein the middle part of the pedal mechanism 21 is rotatably mounted on the main inclined frame 113 of the base frame 11 of the vehicle frame 10 The driving wheel 22 is fixedly installed on the pedal mechanism 21 in such a way that the driving wheel 22 is located at the side of the main inclined frame 113 , and the transmission belt 23 connects the driving wheel 22 and the flywheel 30 . When the user steps on the pedal mechanism 21 of the pedal device 20 to allow the pedal mechanism 21 to rotate relative to the frame 10, the pedal mechanism 21 drives the driving wheel 22 to rotate synchronously to provide driving force, The transmission belt 23 is used to transmit the driving force provided by the driving wheel 22 to the flywheel 30 to drive the flywheel 30 to rotate relative to the frame 10 .

Continuing to refer to accompanying drawings 1 to 11B, the outer magnetic control device 40 further includes a housing 43, wherein the magnetic control unit 42 has a magnetic control pivot end 4201 and a magnetic control swing corresponding to the magnetic control pivot end 4201 end 4202 , the magnetic control pivot end 4201 of the magnetic control unit 42 is rotatably mounted on the casing 43 . The housing 43 is fixedly installed on the main inclined frame 113 of the base frame 11 to install the outer magnetic control device 40 on the base frame 11 . The drive unit 41 is configured to drive the magnetic control unit 42 to rotate around the magnetic control pivot end 4201 to allow the magnetic control swing end 4202 of the magnetic control unit 42 to swing relative to the housing 43, thus adjusting the magnetic control unit 42 The distance between the control unit 42 and the flywheel 30.

Specifically, referring to FIG. 8 and FIG. 9 , the driving unit 41 includes a driving motor 411 , a reduction mechanism 412 and at least one transmission arm 413 . The driving motor 411 can be mounted on the casing 43, and the driving motor 411 has an output shaft 4111, which outputs power through rotation. The reduction mechanism 412 includes a head reduction gear 4121, at least one middle reduction gear 4122 and a tail reduction gear 4123, the middle reduction gear 4122 is engaged with the head reduction gear 4121, and the tail reduction gear 4123 is engaged with The middle reduction gear 4122 , wherein the head reduction gear 4121 is drivably connected to the output shaft 4111 of the driving motor 411 . The transmission arm 413 has a first arm end 4131 and a second arm end 4132 corresponding to the first arm end 4131, wherein the first arm end 4131 of the transmission arm 413 is drivably connected to the reduction mechanism 412 The tail end reduction gear 4123 , the second arm end 4132 of the transmission arm 413 is rotatably connected to the magnetic control unit 42 . When the driving motor 411 outputs power by rotating the output shaft 4111 of the driving motor 411, the power can pass through the head reduction gear 4121, the middle reduction gear 4122 and the tail reduction gear 4123 of the reduction mechanism 412 in sequence. And the transmission arm 413 is transmitted to the magnetic control unit 42 to be able to drive the magnetic control unit 42 to rotate around the magnetic control pivot end 4201 to allow the magnetic control swing end 4202 of the magnetic control unit 42 to move relative to the housing 43 to adjust the distance between the magnetic control unit 42 and the flywheel 30 in this way.

It is worth mentioning that the number of the middle reduction gear 4122 of the reduction mechanism 412 is not limited in the fitness equipment of the present invention, and it can be designed according to needs. For example, in the specific example of the fitness equipment of the present invention shown in accompanying drawings 1 to 11B, the number of the middle reduction gears 4122 of the reduction mechanism 412 is two, and the two middle reduction gears 4122 mesh with each other, One of the two middle reduction gears 4122 is meshingly connected to the head-end reduction gear 4121 , and the other middle reduction gear 4122 is meshingly connected to the tail-end reduction gear 4123 .

Preferably, the tail-end reduction gear 4123 of the reduction mechanism 412 has at least one mounting shaft 41230 , wherein the first arm end 4131 of the transmission arm 413 is drivably installed on the installation shaft 41230 of the tail-end reduction gear 4123 .

Preferably, the output shaft 4111 of the drive motor 411 has helical teeth, and the helical teeth of the output shaft 4111 mesh with the head-end reduction gear 4121 of the reduction mechanism 412, so that the head-end reduction gear 4121 is drivably Connected to the output shaft 4111 of the driving motor 411 .

Further, referring to accompanying drawings 5, 6, 8 and 9, the reduction mechanism 412 includes a box 4124, the box 4124 has a first opening 41241, at least one second opening 41242 and a box space 41243 , the first opening 41241 and the second opening 41242 respectively communicate with the box space 41243, wherein the head reduction gear 4121, the middle reduction gear 4122 and the tail reduction gear 4123 are respectively rotatably installed in the box body 4124 and the box body space 41243 held in the box body 4124, and the installation shaft 41230 of the tail end reduction gear 4123 extends to the outside of the box body 4124 through the second opening 41242 of the box body 4124, so The first arm end 4131 of the driving arm 413 can be drivably installed on the mounting shaft 41230 of the tail reduction gear 4123 outside the box body 4124, wherein the output shaft 4111 of the drive motor 411 passes through the box The first opening 41241 of the body 4124 extends to the box space 41243 , so that the head reduction gear 4121 and the output shaft 4111 of the driving motor 411 can engage in the box space 41243 of the box 4124 .

Preferably, the box body 4124 of the speed reduction mechanism 412 has two second openings 41242, which are symmetrically arranged on opposite sides of the box body 4124, and the tail reduction gear 4123 has two installation shafts 41230, Wherein each of the installation shafts 41230 of the tail-end reduction gear 4123 extends to the outside of the case 4124 through each of the second openings 41242 of the case 4124, and correspondingly, the drive unit 41 includes two transmission arms 413, the first arm end 4131 of each transmission arm 413 is drivably installed on each installation shaft 41230 of the tail end reduction gear 4123, so that the drive unit 41 can drive the magnetic control unit 42 in a balanced manner Rotating around the magnetic control pivot end 4201 allows the magnetic control swing end 4202 of the magnetic control unit 42 to swing relative to the housing 43 to prevent the magnetic control unit 42 from being deflected during the swing process.

The box body 4124 includes a first box shell 41244 and a second box shell 41245, wherein the first box shell 41244 and the second box shell 41245 are interlockingly installed so that the first box shell 41244 and the second box shell 41245 The box space 41243 is formed between the two box shells 41245, wherein the first opening 41241 can be formed in the first box shell 41244, or the first opening 41241 can be formed in the second box shell 41245, or the first opening 41241 may be formed between the first case 41244 and the second case 41245, wherein one of the second openings 41242 is formed in the first case 41244, and the other second opening 41242 is formed in the second case 41245, and after the first box shell 41244 and the second box shell 41245 are fastened and installed with each other, the two second openings 41242 are symmetrical to each other. Preferably, the first housing 41244 can be locked to the driving motor 411 by screws, and the second housing 41245 can be locked to the driving motor 411 by screws, so that the driving motor 411 can be assembled to the housing 4124 .

It is worth mentioning that, by allowing the first box shell 41244 and the second box shell 41245 to be fitted together to form the box body 4124 , it is convenient to assemble the drive unit 41 into a single module.

Further, referring to accompanying drawings 8 and 9, the transmission arm 413 includes a first connecting arm 4133 and a second connecting arm 4134, one end of the first connecting arm 4133 and one end of the second connecting arm 4134 part is rotatably installed, and the other end of the first connecting arm 4133 is fixedly installed on the installation shaft 41230 of the tail reduction gear 4123, so that the first arm end 4131 of the transmission arm 413 can be rotatably The installation shaft 41230 of the tail end reduction gear 4123 is drivenly installed, and the other end of the second connecting arm 4134 is rotatably installed on the magnetic control unit 42, so that the second arm of the transmission arm 413 The end 4132 is rotatably installed on the magnetic control unit 42 , which is beneficial to improve the flexibility of the driving unit 41 .

Moreover, the structural relationship and arrangement of the drive motor 411, the reduction mechanism 412 and the transmission arm 413 of the drive unit 41 are conducive to arranging the drive unit 41, the magnetic control unit 42 and the housing 43 in a limited space Therefore, the structure of the outer magnetic control device 40 is compact. Specifically, referring to accompanying drawings 11A and 11B, the driving motor 411 is arranged in such a manner that the output shaft 4111 of the driving motor 411 is inclined upward, the transmission arm 413 is arranged on the lower side of the driving motor 411, and the transmission The arm 413 is made up of the first link arm 4133 and the second link arm 4134 which are rotatably mounted to each other. Changing the direction of the power while transmitting the power is beneficial to arranging the drive unit 41 , the magnetic control unit 42 and the housing 43 in a limited space to make the external magnetic control device 40 compact.

Optionally, in other examples of the fitness equipment of the present invention, the reduction mechanism 412 does not have the box body 4124. At this time, the head end reduction gear 4121, the middle reduction gear 4122 and the tail end of the reduction mechanism 412 Reduction gears 4123 are rotatably attached to the housing 43, respectively.

Continuing to refer to accompanying drawing 7, this magnetic control unit 42 comprises a bracket 421 and at least one group of magnetic elements 422 and has a magnetic control space 423, wherein one end of the bracket 421 is rotatably mounted on the housing 43 to form the The magnetic control pivot end 4201 of the magnetic control unit 42, the other end of the bracket 421 can swing freely to form the magnetic control swing end 4202 of the magnetic control unit 42, wherein the magnetic control space 423 is formed on the bracket 421 , two of the magnetic elements 422 in one set of the magnetic elements 422 are arranged on the bracket 421 in a manner that they are held symmetrically on opposite sides of the magnetron space 423, such that one set of the magnetic elements 422 allows the magnetic The control space 423 forms a magnetic field environment. A part of the flywheel 30 can extend to the magnetic control space 423 of the magnetic control unit 42, and when the flywheel 30 is driven in the magnetic control space 423 of the magnetic control unit 42 to rotate relative to the magnetic control unit 42 The magnetic field lines of the magnetic control unit 42 can be cut to have a load.

Continuing to refer to accompanying drawings 11A and 11B, one end of the second connecting arm 4134 of the transmission arm 413 of the drive unit 41 is rotatably mounted on the bracket 421 for forming the magnetic control unit 42. Control the end of the swing end 4202, so when the power output by the driving motor 411 is transmitted to the transmission arm 413 through the head reduction gear 4121, the middle reduction gear 4122 and the tail reduction gear 4123 of the reduction mechanism 412 , the tail-end reduction gear 4123 can drive the first connecting arm 4133 of the transmission arm 413 to rotate synchronously, so that the opposite ends of the second connecting arm 4134 are respectively relative to the first connecting arm 4133 and the bracket 421 Rotation, and then drive the magnetic control swing end 4202 of the magnetic control unit 42 to swing towards the direction close to the flywheel 30 to reduce the distance between the magnetic control unit 42 and the flywheel 30, or drive the magnetic control unit 42 The magnetron swing end 4202 swings away from the flywheel 30 to increase the distance between the magnetron unit 42 and the flywheel 30 .

Further, referring to accompanying drawing 7, the magnetic control unit 42 includes an assembly body 424, wherein the assembly body 424 includes an assembly element 4241 and two assembly arms 4242, and the two assembly arms 4242 are separated from the opposite sides of the assembly element 4241. The two ends extend integrally and bent to the same side, wherein the assembly element 4241 is fixedly arranged on the bracket 421, and the ends of the second connecting arm 4134 of each transmission arm 413 of the driving unit 41 are respectively movable. Each assembly arm 4242 is rotatably mounted on the assembly body 424 , so that the end of the second connecting arm 4134 of the transmission arm 413 is rotatably mounted on the bracket 421 .

It is worth mentioning that the manner in which the assembly body 424 is arranged on the bracket 421 is not limited in the fitness equipment of the present invention, for example, the assembly element 4241 of the assembly body 424 can be fixedly installed through a screw rod and a nut to the bracket 421 , or the assembly element 4241 of the assembly 424 can be welded to the bracket 421 .

Further, referring to accompanying drawings 5 and 6, the housing 43 includes a first shell 431, a second shell 432 and a set of support columns 433, and the shell 43 has an assembly space 430, wherein a set of the Two opposite ends of the support column 433 respectively extend and are mounted on the first shell 431 and the second shell 432 to form the assembly space 430 between the first shell 431 and the second shell 432 . The middle part of at least one support column 433 in a set of support columns 433 is fixedly mounted on the box body 4124 of the reduction mechanism 412 of the drive unit 41, so that the drive unit 41 is assembled on the casing 43 Assembly space 430 . The opposite sides of one end portion of the bracket 421 of the magnetic control unit 42 are respectively rotatably mounted on the first shell plate 431 and the second shell plate 432, so that the magnetic control unit 42 is held swingably. In the assembly space 430 of the housing 43 .

Preferably, the casing 43 further includes a motor base 434, the motor base 434 includes a first base 4341 and a second base 4342, wherein the first base 4341 is fixedly mounted on the first shell 431 , the second seat 4342 is fixedly mounted on the second shell 432, wherein the drive motor 411 of the drive unit 41 can be clamped by the first seat 4341 and the second seat of the motor seat 434 Between the body 4342, so as to prevent the driving unit 41 from shaking relative to the casing 43.

Continuing to refer to FIG. 1 to FIG. 11B , the external magnetron device 40 includes a pulse unit 44 , and the pulse unit 44 further includes a grid element 441 and an infrared emitting and receiving element 442 . The grid element 441 further includes a turntable 4411 and a plurality of grid arms 4412, and the grid element 441 has a plurality of optical path channels 4413, and each of the grid arms 4412 separates from the turntable in an annular manner. The periphery of 4411 integrally extends outwards to form the optical path channel 4413 between two adjacent grid arms 4412 , wherein the turntable 4411 of the grid element 441 is drivably installed on the deceleration mechanism 412 One of the head end reduction gear 4121, the middle reduction gear 4122 and the tail end reduction gear 4123, so that the drive motor 411 passes through the head end reduction gear 4121, the middle reduction gear 4122 and the tail end of the reduction mechanism 412 When the reduction gear 4123 and the transmission arm 413 drive the magnetic control unit 42 to swing, the drive motor 411 can be driven by the head reduction gear 4121, the middle reduction gear 4122 and/or the tail reduction gear 4123 of the reduction mechanism 412 The grid element 441 rotates. The infrared transmitting and receiving element 442 has a transmitting portion 4421 and a receiving portion 4422, wherein the transmitting portion 4421 and the receiving portion 4422 are held on opposite sides of the grid arm 4412 of the grid element 441 respectively, and the transmitting The part 4421 and the receiving part 4422 correspond to each other. The emitting portion 4421 of the infrared emitting and receiving element 442 is configured to continuously emit infrared light toward the receiving portion 4422, wherein when the grid element 441 rotates to make the light path channel 4413 of the grid element 441 correspond to the infrared emission When receiving the emitting part 4421 and the receiving part 4422 of the element 442, the infrared light emitted by the emitting part 4421 is allowed to pass through the optical path channel 4413 of the grid element 441 to be received by the receiving part 4422, correspondingly, when When the grid element 441 is rotated to make the grid arm 4412 of the grid element 441 correspond to the emitting portion 4421 and the receiving portion 4422 of the infrared emitting and receiving element 442, the infrared rays emitted by the emitting portion 4421 are prevented from passing through. The grid element 441 cannot be received by the receiving part 4422, so the pulse unit 44 can generate a pulse signal, and based on the pulse signal, the magnetic control unit 42 is driven by the drive unit 41 and the swing distance can be determined, Furthermore, the relative distance between the magnetic control unit 42 and the flywheel 30 can be determined.

It is worth mentioning that the grid element 441 is drivably mounted on one of the head reduction gear 4121, the middle reduction gear 4122 and the tail end reduction gear 4123 of the reduction mechanism 412, and the grid element 441 is provided with a plurality of the grid arms 4412 and a plurality of the optical path channels 4413, so that when the head reduction gear 4121, the middle reduction gear 4122 or the tail reduction gear 4123 of the reduction mechanism 412 is driven When rotating one circle, the pulse unit 44 can generate multiple pulse signals, so that the head end reduction gear 4121, the middle part of the reduction mechanism 412 can be accurately determined by detecting the number of pulse signals generated by the pulse unit 44. The reduction gear 4122 or the magnitude of the tail reduction gear 4123 rotation, and then the drive motor 411 of the drive unit 41 can precisely adjust the distance between the magnetic control unit 42 and the flywheel 30 based on the pulse signal generated by the pulse unit 44 distance.

It can be understood that the speed of the head-end reduction gear 4121 of the reduction mechanism 412 is greater than the speed of the middle reduction gear 4122, and the speed of the middle reduction gear 4122 is greater than the speed of the tail-end reduction gear 4123, so in the present invention In this specific example of fitness equipment, the grid element 441 is drivably installed on the head end reduction gear 4121 of the reduction mechanism 412, so that the drive motor 411 of the drive unit 41 can generate the pulse based on the pulse unit 44. The pulse signal can adjust the distance between the magnetic control unit 42 and the flywheel 30 more precisely.

It is worth mentioning that the number of the grid arm 4412 and the light path channel 4413 of the grid element 441 is not limited in the fitness equipment of the present invention, and the grid arm 4412 and the grid arm 4412 of the grid element 441 The more the number of optical path channels 4413, the more pulse signals generated by the pulse unit 44 when the head reduction gear 4121, the middle reduction gear 4122 or the tail reduction gear 4123 of the reduction mechanism 412 is driven to make one revolution Correspondingly, the driving motor 411 of the driving unit 41 can more precisely adjust the distance between the magnetic control unit 42 and the flywheel 30 based on the pulse signal generated by the pulse unit 44 . For example, in the specific example of the fitness equipment of the present invention shown in FIGS. 1 to 11B , the number of the grid arms 4412 and the light path channels 4413 of the grid element 441 are 16 respectively.

Preferably, the pulse unit 44 is located outside the deceleration mechanism 412 of the drive unit 41, and the pulse unit 44 is held in the assembly space 430 of the housing 43, so that the pulse unit 44 is hidden and the pulse unit 44 is secured. reliability.

Specifically, referring to accompanying drawings 8 and 9, the head-end reduction gear 4121 of the reduction mechanism 412 has a drive shaft 41210, and the drive shaft 41210 extends from the box space 41243 of the box 4124 to the outside, wherein the grid The grid element 441 is drivably mounted to the head reduction gear 4121 in such a manner that the turntable 4411 of the grid element 441 is fixedly mounted to the drive shaft 41210 of the head reduction gear 4121 . Referring to accompanying drawings 5, 6 and 10, the external magnetic control device 40 further includes an electric control unit 45, and the electric control unit 45 includes a first circuit board 451 and a first circuit board 451 connected to the first circuit board 451. Two circuit boards 452, wherein the infrared transmitting and receiving element 442 is mounted on the second circuit board 452, and the second circuit board 452 is respectively held on the transmitting part 4421 and the receiving part 4422 of the infrared transmitting and receiving element 442 The grid arm 4412 of the grid element 441 is disposed on the first shell 431 of the housing 43 in the manner of opposite two sides, wherein the first circuit board 451 is disposed on the first shell of the housing 43 431 , the driving motor 411 of the driving unit 41 is connected to the first circuit board 451 .

Preferably, the first shell 431 of the housing 43 has a mounting through hole 4311, which communicates with the assembly space 430, wherein the second circuit board 452 is fixedly installed on the outside of the first shell 431, and the The infrared emitting and receiving element 442 extends to the assembly space 430 through the installation through hole 4311 of the first shell 431 to allow the emitting portion 4421 and the receiving portion 4422 of the infrared emitting and receiving element 442 to be respectively held on the grid element 441 opposite sides of the grid arm 4412.

Further, the housing 43 includes a cover 435 fixedly installed on the first shell 431 to seal the first circuit board 451 between the first shell 431 and the cover 435 .

Continuing to refer to accompanying drawings 2 , 4 , 5 , 6 , 11A and 11B , the outer magnetic control device 40 further includes a brake unit 46 , and the brake unit 46 includes a brake lever 461 and a brake body 462 . The brake lever 461 has a brake high end 4611 and a brake low end 4612 corresponding to the brake high end 4611 . The brake main body 462 has a brake pivot end 4621 and a brake swing end 4622 corresponding to the brake pivot end 4621, the brake pivot end 4621 of the brake main body 462 is rotatably mounted on the housing 43, the brake The brake swing end 4622 of the main body 462 is drivably connected to the brake low end 4612 of the brake lever 461 . When the user drives the brake swing end 4622 of the brake body 462 through the brake lever 461, the brake pivot end 4621 of the brake body 462 rotates relative to the housing 43 to allow the brake swing end 4622 to move closer to the flywheel. 30, and subsequently, the brake main body 462 generates friction between the two by contacting the flywheel 30 to brake the flywheel 30.

Further, referring to accompanying drawings 2, 5, 6, 7, 11A and 11B, the magnetic control unit 42 has an avoidance space 425 formed on the bracket 421, wherein the braking unit 46 is It can be movably kept in the avoidance space 425 of the magnetic control unit 42, so that: on the one hand, the external magnetic control device 40 can integrate the drive unit 41, the magnetic control unit 42 and the braking unit 46 to facilitate the external magnetic control unit 42. On the other hand, the function of the magnetic control unit 42 of the external magnetic control device 40 and the function of the brake unit 46 do not affect each other, so that when the user operates the magnetic control unit 42 The braking unit 46 will be affected, and accordingly, the magnetic control unit 42 will not be affected when the user operates the braking unit 46 , thus ensuring the reliability of the external magnetic control device 40 .

Preferably, the housing 43 further includes a pivot shaft 436, and the opposite ends of the pivot shaft 436 respectively extend to the first shell 431 and the second shell 432, wherein one of the brackets 421 of the magnetic control unit 42 The end is rotatably mounted on the pivot shaft 436, and the brake main body 462 of the brake unit 46 is rotatably mounted in such a way that the brake unit 46 is movably held in the avoidance space 425 of the magnetic control unit 42. Regarding the pivot shaft 436, by allowing the magnetic control unit 42 and the brake unit 46 to be rotatably mounted on the same pivot shaft 436 of the housing 43, the structure of the outer magnetic control device 40 can be simplified and facilitated. The compactness and miniaturization of the outer magnetron device 40 .

It should be understood by those skilled in the art that the embodiments of the present invention shown in the foregoing description and drawings are only examples and do not limit the present invention. The objects of the present invention have been fully and effectively accomplished. The functions and structural principles of the present invention have been shown and described in the embodiments, and the embodiments of the present invention may have any deformation or modification without departing from the principles.

Claims (10)

1. The outer magnetic control device of a fitness equipment is characterized in that, comprising: a shell; A magnetic control unit, wherein the magnetic control unit has a magnetic control pivot end and a magnetic control swing end corresponding to the magnetic control pivot end, wherein the magnetic control pivot end of the magnetic control unit is rotatably installed on The housing, and the magnetic control swing end of the magnetic control unit is allowed to swing relative to the housing; A drive unit, wherein the drive unit includes a drive motor, a reduction mechanism and at least one transmission arm, the reduction mechanism is connected to the drive motor, one end of the transmission arm is drivably connected to the reduction mechanism, and one end is rotatably mounted to the magnetic control unit; and A pulse unit, wherein the pulse unit includes a grid element and an infrared receiving element, wherein the grid element is drivably connected to the deceleration mechanism, and the grid element has a plurality of optical path channels, wherein the infrared receiving element There is a transmitting part and a receiving part corresponding to the transmitting part, the transmitting part and the receiving part are respectively arranged on opposite sides of the optical path channel of the grid element, wherein the pulse unit is configured to generate a pulse signal, And the driving unit is configured to drive the magnetic control swing end of the magnetic control unit to swing relative to the housing based on the pulse signal. 2. The external magnetic control device according to claim 1, wherein the drive motor has an output shaft, wherein the reduction mechanism includes a head end reduction gear, at least one middle reduction gear and a tail end reduction gear, the head end reduction gear a gear meshes with the output shaft of the drive motor, the middle reduction gear meshes with the head reduction gear, the tail reduction gear meshes with the middle reduction gear, the transmission arm is drivably connected to the tail reduction gear, Wherein the grid element is drivably mounted on the head reduction gear. 3. The external magnetic control device according to claim 1, wherein the drive motor has an output shaft, wherein the reduction mechanism includes a head reduction gear, at least one middle reduction gear and a tail reduction gear, the head reduction a gear meshes with the output shaft of the drive motor, the middle reduction gear meshes with the head reduction gear, the tail reduction gear meshes with the middle reduction gear, the transmission arm is drivably connected to the tail reduction gear, Wherein the grid element is drivably mounted on the middle reduction gear or the tail reduction gear. 4. The external magnetic control device according to claim 2, wherein the transmission arm comprises a first connecting arm and a second connecting arm, an end of the first connecting arm and an end of the second connecting arm are mutually rotatably installed, the other end of the first connecting arm is fixedly mounted on a mounting shaft of the tail reduction gear, and the other end of the second connecting arm is rotatably mounted on the magnetic control unit. 5. The external magnetic control device according to claim 4, wherein the driving motor is arranged in such a manner that the output shaft of the driving motor is inclined upward. 6. The external magnetic control device according to claim 4, wherein the driving unit comprises two transmission arms, and the two transmission arms are symmetrical to each other. 7. The outer magnetic control device according to any one of claims 1 to 6, further comprising a brake unit, the brake unit comprising a brake lever and a brake main body, wherein the brake lever has a brake high end and corresponds to the brake a brake low end at the high end, wherein the brake main body has a brake pivot end and a brake swing end corresponding to the brake pivot end, the brake pivot end of the brake main body is rotatably mounted on the housing, the brake The brake swing end of the main body is drivably mounted on the brake low end of the brake lever to allow the brake lever to drive the brake swing end of the brake body to swing relative to the housing. 8. The external magnetic control device according to claim 7, wherein the housing comprises a first shell, a second shell and a pivot shaft, and the opposite ends of the pivot shaft respectively extend to the first shell and the first shell. The second shell, wherein the magnetic control pivot end of the magnetic control unit and the brake pivot end of the brake main body are respectively rotatably mounted on the pivot shaft of the housing. 9. The external magnetic control device according to claim 8, wherein the magnetic control unit has a avoidance space, wherein the brake main body of the brake unit is movably held in the avoidance space of the magnetic control unit. 10. A fitness equipment, characterized in that, comprising: a frame; a pedaling device, wherein the pedaling device is mounted on the frame in a treadable manner; a flywheel, wherein the flywheel is rotatably mounted to the frame and drivably connected to the pedaling device; and An external magnetic control device, wherein the magnetic control device further comprises: a shell, wherein the shell is mounted on the frame; A magnetic control unit, wherein the magnetic control unit has a magnetic control pivot end, a magnetic control swing end corresponding to the magnetic control pivot end and a magnetic control space, wherein the magnetic control pivot end of the magnetic control unit is rotatably mounted on the casing, and the magnetic control swing end of the magnetic control unit is allowed to swing relative to the casing, wherein a part of the flywheel is held in the magnetic control space of the magnetic control unit; A drive unit, wherein the drive unit includes a drive motor, a reduction mechanism and at least one transmission arm, the reduction mechanism is connected to the drive motor, one end of the transmission arm is drivably connected to the reduction mechanism, and one end is rotatably mounted to the magnetic control unit; and A pulse unit, wherein the pulse unit includes a grid element and an infrared receiving element, wherein the grid element is drivably connected to the deceleration mechanism, and the grid element has a plurality of optical path channels, wherein the infrared receiving element There is a transmitting part and a receiving part corresponding to the transmitting part, the transmitting part and the receiving part are respectively arranged on opposite sides of the optical path channel of the grid element, wherein the pulse unit is configured to generate a pulse signal, And the driving unit is configured to drive the magnetic control swing end of the magnetic control unit to swing relative to the housing based on the pulse signal.

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