TWM552360U - Magnetic reluctance structure of flywheel - Google Patents

Description

Magnetic reluctance structure of flywheel

The present invention relates to a training device, in particular to a magnetoresistive structure of a flywheel that can uniformly apply force during operation and reduce the probability of damage caused by uneven application of the structure.

In order to keep modern people from the influence of weather conditions and maintain the habit of exercising, modern people will ride a flywheel indoors in their spare time to achieve the purpose of burning fat and promoting heart and lung function. In the past, most of the flywheels were provided with friction washers to contact the flywheel, thereby generating resistance, and the material of the gasket was gradually changed from the early rubber to the fur material to avoid the wear and tear of the flywheel. Over time, the existing flywheels have adopted a magnetoresistive braking method, which not only avoids the generation of debris during the friction process, but also saves the money and time cost of purchasing and replacing consumables.

The reluctance structure of the existing flywheel vehicle is as shown in FIG. 7 and FIG. 8. It is combined with the lower tube 50 of the flywheel and is located above one of the metal flywheels W. The reluctance structure of the existing flywheel includes a magnet frame 60 and two. a magnet 70, a link assembly 80 and a control cable 90; wherein the lower tube 50 is fixedly provided with a mounting frame 51; the magnet frame 60 includes an opposite pivot end and a movable end, the magnet frame 60 The pivoting end is pivotally disposed on the mounting frame 51; the two magnets 70 are mounted on the movable end of the magnet frame 60; the connecting rod assembly 80 includes a first connecting rod 81, a second connecting rod 82 and a connecting rod shaft 83. The first link 81 is pivotally coupled to the lower tube 50. The second link 82 is swingably coupled to the movable end of the magnet frame 60. The link shaft 83 includes opposite ends. The shaft 83 passes through the first link 81 and the second link 82 to pivot the first link 81 and the second link 82. The control cable 90 is located on one side of the magnet frame 60 and The two ends of the control cable 90 are coupled to one end of the connecting rod shaft 83, and the other end of the control cable 90 is connected to an operating member. .

When the user wants to increase the pedaling resistance and increase the training intensity, the control rod 90 can be pulled by the control cable 90 by controlling the operating member and pulling the control cable 90, so that the movable end of the magnet frame 60 faces the flywheel. W moves, the metal flywheel W generates a magnetic field that repels the two magnets 70 to generate resistance to the flywheel W; however, this type of reluctance structure has its control cable 90 coupled to one end of the link shaft 83, When the connecting rod shaft 83 is pulled, the control cable 90 only applies a force to one end of the connecting rod shaft 83, thereby causing uneven force of the connecting rod assembly 80, and the connecting rod of the magnetoresistive structure is used for a long time. The assembly 80 is prone to fatigue and damage, which in turn leads to cost of replacement and maintenance.

In order to solve the problem that the link assembly of the reluctance structure of the existing flywheel is uneven due to long-term stress, it is prone to fatigue and damage. The present invention proposes a reluctance structure of a flywheel, in which the control cable is coupled to the middle section of the connecting rod shaft and parallel with the magnet frame, and can evenly apply force to the connecting rod shaft to reduce damage caused by uneven application of the structure. The chance.

The magnetic reluctance structure of the flywheel provided by the present invention includes: a magnet frame including an extending direction, a pivoting end and a movable end, the pivoting end and the movable end of the magnet frame being on the magnet a connecting rod assembly, comprising: a first connecting rod unit, a second connecting rod unit and a connecting rod shaft pivoting the first connecting rod unit and the second connecting rod unit, wherein the connecting rod assembly a second link unit rotatably coupled to the movable end of the magnet frame; and a control assembly including a control cable including an extending direction and opposite ends in the extending direction of the control cable, the control cable The extending direction is the same as the extending direction of the magnet frame, and one end of the control cable is coupled to the intermediate portion of the connecting rod shaft.

The magnetoresistive structure, wherein the control assembly includes a tension spring disposed between the link shaft and the control cable, the tension spring is coupled to the link shaft, and The tension spring is coupled to the control cable.

The magnetoresistive structure, wherein the control component comprises a connecting member, the connecting component comprises an opposite end, a through hole, a hook portion and a snap opening, the through hole being close to one end of the connecting member and sleeve In conjunction with the tension spring, the hook portion is located at the other end of the connecting member, the engaging opening extends from the hook portion toward the through hole, and one end of the control cable passes through the engaging opening and includes a locking portion, The locking portion is spherical and is disposed at an end of the control cable passing through the engaging opening to be engaged with the hook portion.

The magnetoresistive structure includes a magnet frame pivot and a return elastic member, the magnet frame pivoting through the pivot end of the magnet frame and a mounting frame, and the reset elastic member is disposed on the magnet frame pivot And abut against the mounting bracket and the magnet frame.

The enhancements achieved by the technical means of this creation are:

1. The reluctance structure of the flywheel of the present invention, the control cable provided by the control component is connected with the middle section of the connecting rod shaft of the connecting rod assembly, so that the connecting rod shaft can be uniformly applied and pulled to avoid the connecting rod assembly The situation of fatigue and damage caused by uneven force for a long time, thereby reducing the cost of replacement and maintenance.

2. This creation is provided with a tension spring between the connecting rod shaft and the control cable, which can prevent the control cable from being excessively stretched and broken.

3. The rotating member of the present invention can be rotated relative to the mounting frame. When the control cable is pulled, the rotating member can rotate to maintain the tension of the control cable.

4. When the control cable is installed, the hook portion of the connecting piece can be hooked directly to the locking portion of the control cable, which has the advantages of simple installation.

10‧‧‧Down tube assembly

11‧‧‧Body

12‧‧‧ Mounting frame

13‧‧‧Rotating parts

131‧‧‧ screw holes

20‧‧‧Flywheel

30‧‧‧Magnetoresistive structure

31‧‧‧Magnetic frame

311‧‧‧ boards

312‧‧‧Links

32‧‧‧Magnetic frame pivot

33‧‧‧Reset elastic parts

34‧‧‧ linkage assembly

341‧‧‧First Link Unit

342‧‧‧Second linkage unit

343‧‧‧Connector shaft

35‧‧‧ Magnet

36‧‧‧Control components

361‧‧‧ stretching spring

362‧‧‧Connecting parts

3621‧‧‧Perforation

3622‧‧‧Hook

3623‧‧‧Kate

363‧‧‧Control cable

3631‧‧‧Card Department

364‧‧‧Adjustment unit

37‧‧‧ Friction parts

50‧‧‧Under the tube

51‧‧‧ Mounting bracket

60‧‧‧Magnetic frame

70‧‧‧ Magnet

80‧‧‧ linkage assembly

81‧‧‧first link

82‧‧‧Second link

83‧‧‧Connector shaft

90‧‧‧Control cable

W‧‧‧Flywheel

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a perspective view of the assembly of the preferred embodiment of the present invention.

Figure 2 is a perspective enlarged view of the preferred embodiment of the present invention.

Figure 3 is a top plan view of a preferred embodiment of the present invention.

Figure 4 is an exploded view of the preferred embodiment of the present invention.

Figure 5 is a schematic illustration of the operation of the plane of the preferred embodiment of the present invention.

Figure 6 is a plan enlarged view of the preferred embodiment of the present invention when actuated.

Fig. 7 is an assembled perspective view of a magnetoresistive structure of a conventional flywheel.

Fig. 8 is a plan view showing a magnetoresistive structure of a conventional flywheel.

In order to understand the technical features and practical functions of the present work in detail, and in accordance with the creative content, the following further describes the preferred embodiment as shown in the following figure:

As shown in FIG. 1 and FIG. 2, a flywheel system includes: a lower tube assembly 10, a flywheel 20, and a magnetoresistive structure 30 of the present invention; wherein the flywheel 20 is rotatable and located below the lower tube assembly 10, The magnetoresistive structure 30 is mounted to the lower tube assembly 10 and is located between the lower tube assembly 10 and the flywheel 20.

As shown in FIG. 1, FIG. 2 and FIG. 4, the lower tube assembly 10 includes a tube body 11, a mounting frame 12 and a rotating member 13; wherein the tube body 11 has a length direction; the mounting frame 12 is fixedly coupled. The front end and the rear end of the mounting body 12 are opposite to each other in the longitudinal direction of the tubular body 11; the rotating member 13 is in the shape of a rod and is rotatably coupled to The rotating member 13 includes a screw hole 131 extending through the intermediate portion of the rotating member 13.

As shown in FIG. 1, the flywheel 20 is made of a metal material.

As shown in FIG. 2, FIG. 3 and FIG. 4, the magnetoresistive structure 30 includes a magnet frame 31, a magnet frame pivot 32, a return elastic member 33, a link assembly 34, four magnets 35, and a control assembly. 36 and a friction member 37; wherein the magnet frame 31 includes an extending direction, a pivoting end, a movable end, two plate members 311 and two connecting members 312, the extending direction of the magnet frame 31 and the tube body 11 is parallel to the length direction. The pivoting end of the magnet frame 31 and the movable end are opposite to each other in the extending direction of the magnet frame 31. The two plate members 311 are disposed along the extending direction of the magnet frame 31, and the connecting members 312 are rounded. In the shape of a rod, the two coupling members 312 are coupled to the two plate members 311 to form the magnet frame 31 together with the two plate members 311.

The magnet frame pivot 32 has a round rod shape, and the magnet frame pivot 32 passes through the pivot end of the magnet frame 31 and the rear end of the mounting frame 12, and the magnet frame 31 is pivoted to the mounting frame 12; The reset elastic member 33 is disposed on the magnet frame pivot 32 and respectively abuts the mounting frame 12 of the lower tube assembly 10 and the magnet frame 31; the link assembly 34 includes a first link unit 341 and a second The connecting rod unit 342 and a connecting rod shaft 343 are pivotally connected to the mounting bracket 12 of the lower tube assembly 10 and are formed by two sheets arranged in parallel. The second connecting rod unit 342 The second link unit 342 is swingably coupled to the movable end of the magnet frame 31. The link shaft 343 has a circular rod shape, and the link shaft 343 passes through the same. The first link unit 341 and the second link unit 342 pivot the first link unit 341 and the second link unit 342.

The magnet 35 is located between the two plates 311 of the magnet frame 31, and the magnets 35 are respectively coupled to the two plates 311 in pairs; the control assembly 36 includes a tension spring 361 and a connecting member. 362, a control cable 363 and an adjusting unit 364, the tension spring 361 includes opposite ends, one end of the tension spring 361 is coupled to the middle portion of the connecting rod shaft 343 of the connecting rod assembly 34, the connection The member 362 includes an opposite end, a through hole 3621, a hook portion 3622, and an engaging opening 3623. The through hole 3621 is adjacent to one end of the connecting member 362. The hook portion 3622 is located at the other end of the connecting member 362. The mouthpiece 3623 extends from the hook portion 3622 toward the perforation 3621.

The control cable 363 includes an extending direction, two ends opposite to each other in the extending direction of the control cable 363, and a locking portion 3631. The extending direction of the control cable 363 is the same as the extending direction of the magnet frame 31. The control cable 363 One end of the control cable 363 extends toward the rear end of the mounting bracket 12 and is coupled to an operating member (not shown). The locking portion 3631 is spherical and disposed on the control. The cable 363 passes through one end of the engaging opening 3623, and the locking portion 3631 is engaged with the hook portion 3622. The control cable 363 passes through the tension spring 361 and the connecting member 362 and the connecting rod assembly 34. The middle portion of the shaft 343 is coupled, the adjusting unit 364 is sleeved on the control cable 363 and the screw is coupled to the screw hole 131 of the rotating member 13 of the lower tube assembly 10: the friction member 37 is coupled to the second link unit 342.

As shown in FIG. 5, when the user operates the operating member to pull the control cable 363, the control cable 363 pulls the connecting rod shaft 343 of the connecting rod assembly 34 through the connecting member 362 and the tension spring 361. The connecting rod shaft 343 moves toward the rear end of the mounting frame 12, and the second connecting rod unit 342 of the connecting rod assembly 34 pushes the magnet frame 31 downward toward the metal material of the flywheel 20 through a mechanism of actuation of the connecting rod. The action is such that the four magnets 35 coupled to the magnet frame 31 are close to the flywheel 20 and the magnetic field and resistance of the flywheel 20 are resisted, so that the rotation rate of the flywheel 20 is decreased to increase the training intensity. The frame 31 continues to be close to the flywheel 20, and the resistance also continues to increase. Finally, as shown in FIG. 6, the friction member 37 is in direct contact with the flywheel 20 to achieve the purpose of braking; when the user operates, the magnetoresistive structure 30 is provided. The mounting bracket 12 abutting the lower tube assembly 10 and the return elastic member 33 of the magnet frame 31 can provide a returning force to return the magnetoresistive structure 30 to its original state.

In the reluctance structure of the flywheel of the present invention, the control cable 363 of the control unit 36 is coupled to the intermediate portion of the link shaft 343 of the link assembly 34, so that the control cable 363 can evenly pull the link shaft 343. Applying force to the connecting rod shaft 343 to prevent the connecting rod assembly 34 from being fatigued and damaged due to uneven force for a long time; further, when the user operates the operating member to pull the control cable 363, After the friction member 37 is in direct contact with the flywheel 20, the operation member is continuously operated. Therefore, the control cable 363 often breaks due to the tensile length allowed by the material thereof, and the link shaft 343 is created. The tension spring 361 is disposed between the control cables 363, and the tension spring 361 can function as a buffer to prevent the control cable 363 from being pulled off, thereby avoiding replacement or maintenance costs.

10‧‧‧Down tube assembly

12‧‧‧ Mounting frame

13‧‧‧Rotating parts

131‧‧‧ screw holes

30‧‧‧Magnetoresistive structure

31‧‧‧Magnetic frame

311‧‧‧ boards

312‧‧‧Links

32‧‧‧Magnetic frame pivot

33‧‧‧Reset elastic parts

34‧‧‧ linkage assembly

341‧‧‧First Link Unit

342‧‧‧Second linkage unit

343‧‧‧Connector shaft

35‧‧‧ Magnet

36‧‧‧Control components

361‧‧‧ stretching spring

362‧‧‧Connecting parts

3621‧‧‧Perforation

3622‧‧‧Hook

3623‧‧‧Kate

363‧‧‧Control cable

3631‧‧‧Card Department

364‧‧‧Adjustment unit

37‧‧‧ Friction parts

Claims (4)

A magnetoresistive structure of a flywheel vehicle, comprising: a magnet frame comprising an extending direction, a pivoting end and a movable end, the pivoting end of the magnet frame and the movable end being opposite to the extending direction of the magnet frame; a link assembly comprising a first link unit, a second link unit and a link shaft pivoting the first link unit and the second link unit, the second link unit being swingable a control unit coupled to the movable end of the magnet frame; and a control assembly including a control cable including an extending direction and opposite ends in the extending direction of the control cable, the control cable extending direction and the magnet frame The extension direction is the same, and one end of the control cable is coupled to the intermediate portion of the link shaft. The magnetoresistive structure of claim 1, wherein the control component comprises a tension spring disposed between the link shaft and the control cable, the tension spring being coupled to the connection a shaft, and the tension spring is coupled to the control cable. The magnetoresistive structure of claim 2, wherein the control component comprises a connecting member, the connecting member comprises opposite ends, a through hole, a hook portion and a snap opening, the through hole being close to the connecting member One end is sleeved on the tension spring, the hook portion is located at the other end of the connecting member, the engaging opening extends from the hook portion toward the through hole, and one end of the control cable passes through the engaging opening and includes a card The clamping portion has a spherical shape and is disposed at an end of the control cable passing through the engaging opening to be engaged with the hook portion. The magnetoresistive structure of claim 3, comprising a magnet frame pivot and a reset elastic member, the magnet frame pivoting through the pivot end of the magnet frame and a mounting frame, wherein the reset elastic member is disposed The magnet frame pivots and abuts the mounting bracket and the magnet frame.