TWM601636U - Fitness device and its dual resistance structure combining wind resistance and magnetic resistance - Google Patents

Abstract

This creation proposes a dual resistance structure combining wind resistance and magnetic resistance, including a rotating shaft, a wind resistance unit and a magnetic resistance unit. The wind resistance unit is fixed on the rotating shaft and includes a plurality of blades arranged in a ring shape. The magnetic resistance unit includes a magnetic resistance element and a magnetic resistance wheel. The magnetic resistance wheel is fixed on the rotating shaft. The magnetic resistance wheel and the wind resistance unit maintain a distance in an axial direction of the rotating shaft to form an active space. The resistance member selectively moves along a radial direction of the reluctance wheel to extend into or away from the reluctance wheel to adjust a magnetic resistance of the reluctance wheel. When the reluctance member moves in the radial direction, part of the The magnetoresistive element is movable in the movable space. This creation is also a fitness device that uses the above-mentioned dual resistance structure of wind resistance and magnetic resistance.

Description

Fitness device and its dual resistance structure combining wind resistance and magnetic resistance

This creation is about a fitness device and its dual resistance structure combining wind resistance and magnetoresistance. There is an active space between the wind resistance unit and the magnetoresistance unit, so that the magnetoresistance element of the magnetoresistance unit can selectively follow the magnetoresistance unit. A radial movement of the reluctance wheel adjusts a reluctance of the reluctance wheel. When the reluctance element moves in the radial direction, part of the reluctance element moves in the movable space.

The Republic of China Announcement No. I636810 "An improvement of the magnetic resistance adjustment device for a wind resistance exercise bike" is a fan-type exercise bike. The exercise bike is equipped with a traction rope, including: a resistance wheel, a fan blade that generates wind resistance and is installed On the exercise bike, the resistance wheel has a wheel body and a wheel shaft, the wheel shaft is installed on the wheel body; a magnetic resistance ring installed on the resistance wheel; a fixing member fixedly installed on the wheel shaft Above, the fixing piece is provided with a positioning bolt, and the direction in which the fixing piece extends to the magnetoresistive ring is a displacement direction; a displacement piece has a displacement hole, a fixing part and a magnetoresistive part, the displacement hole allows The positioning bolt is pierced so that the displacement member can repeatedly move along the displacement direction, so that the magnetic resistance part is close to or away from the magnetic resistance ring, and the fixed part is connected with the traction rope.

In the aforementioned patent case, although the combination of the wind resistance unit and the magnetic resistance unit increases the exercise effect of the user on the exercise device, the case installs and fixes the wind resistance unit on the resistance wheel of the magnetic resistance unit. Due to the space limitation of the device, the wind resistance blades are too large. Short, the wind resistance generated by the wind resistance unit is too small.

The Republic of China Announcement No. I651114 "A wind resistance and magnetoresistive resistance adjustment device", which is installed in a bracket and includes a rotating unit, a magnetoresistive unit and a wind resistance unit. The rotating unit includes a spindle, a set of connecting blocks and a magnet The runner, the mandrel is rotatably pierced through the bracket, the assembly block is fixed on the mandrel, the magnetic runner is disassembled and set on the assembly block, the magneto-resistive unit is swingably set on the bracket and includes an adjusting seat and a plurality of magnetic elements , The adjusting seat is swingably arranged on the bracket, the magnetic element is arranged on the adjusting seat, and the wind resistance unit is arranged on the outer side of the magnetic wheel in a disassembled and assembled manner.

In the above patent, although the wind resistance unit is combined with the magnetic wheel to increase the exercise effect of the user on the exercise device, the wind resistance unit is installed on the magnetic wheel, and in order to avoid hindering the adjustment seat from carrying the magnetic element close to the magnetic wheel. To adjust the magnetic resistance, the magnetic runner needs to be larger than the wind resistance unit, which causes the length of the fan blade of the wind resistance unit to be limited, and the wind resistance is too small.

The Republic of China Announcement No. M511345 "A fan damping device with adjustable magnetic resistance", includes: a support frame; a fan runner, rotatably arranged on the support frame, and the fan runner includes a peripheral edge of a central disk part One end of a plurality of extension necks is integrally formed, and the other end of each extension neck is twisted to form a leaf surface; a magnetic induction ring is fixedly arranged on the central disk part, and the magnetic induction ring is made of a material that can be attracted by magnetic attraction Manufactured; a magnetic control unit, including a path restriction member and a magnetic control swing member, the path restriction member is fixedly arranged on the support frame, and the path restriction member is provided with a restriction opening with an arc-shaped opening structure; the magnetic The pendulum control member includes a magnet holder and a plurality of magnets. One end of the magnet holder is a pivot end, and the other end is an outer end. The magnet holder has a first surface and a second surface opposite to each other. A controlled portion is protruded between the two ends in a direction away from the second surface; the first surface of the magnet holder is opposite to the path restricting member and is pivotally connected to the path restricting member by the pivot end, The magnets are arranged on the second surface of the outer end of the magnet holder.

Although the wind resistance unit and the magnetoresistance unit are combined to increase the exercise effect of the user on the exercise device in the above patent case, the magnetic control pendulum in this case is close to the magnetic ring to adjust the resistance, and the single side forms the magnetic resistance to adjust the magnetic field. The resistance effect is limited, and the magnet of the magnetic control pendulum acts on the magnetic ring unilaterally, which causes the magnetic ring to be unilaterally stressed, causing the center disk to be deformed.

This creation proposes a dual resistance structure combining wind resistance and magnetic resistance, including a rotating shaft, a wind resistance unit and a magnetic resistance unit. The wind resistance unit is fixed on the rotating shaft and includes a plurality of blades arranged in a ring shape. The magnetic resistance unit includes a magnetic resistance element and a magnetic resistance wheel. The magnetic resistance wheel is fixed on the rotating shaft. The magnetic resistance wheel and the wind resistance unit maintain a distance in an axial direction of the rotating shaft to form an active space. The resistance member selectively moves along a radial direction of the reluctance wheel to extend into or away from the reluctance wheel to adjust a magnetic resistance of the reluctance wheel. When the reluctance member moves in the radial direction, part of the The magnetoresistive element is movable in the movable space.

This creation proposes a fitness device with a dual resistance structure combining wind resistance and magnetic resistance, which includes a fitness device body, a rotating shaft, a wind resistance unit and a magnetic resistance unit. The body of the fitness device has a control unit. The rotating shaft is arranged on the body of the fitness device. The wind resistance unit is fixed on the rotating shaft and includes a plurality of blades arranged in a ring shape. The reluctance unit includes a reluctance element and a reluctance wheel, the reluctance wheel is fixed on the rotating shaft, the reluctance element is pivotally connected to the body of the fitness device and connected to the control unit, the reluctance wheel and the wind resistance unit A distance is maintained in an axial direction of the rotating shaft to form a movable space, and the magnetic resistance member selectively moves in the movable space along a radial direction of the magnetic resistance wheel to extend into or away from the magnetic resistance wheel to adjust the A reluctance of the reluctance wheel. When the reluctance element moves in the radial direction, part of the reluctance element moves in the movable space.

Further, the magnetoresistive element includes a first part, a second part opposite to each other, and a connecting part connecting the first part and the second part, and the first part, the second part and the connecting part jointly define A groove, the first part or/and the second part is provided with a magnetic element, when the groove is selectively moved into or out of the magnetic resistance wheel, the second part is movable in the movable space.

Further, the wind resistance unit includes a turntable, the turntable is fixed on the rotating shaft, the plurality of blades are fixed on the turntable, the plurality of blades extend in the radial direction, and all the blades protrude from the reluctance wheel in the radial direction.

Further, the diameter of the turntable is smaller than the diameter of the reluctance wheel.

Further, the peripheral edge of the turntable has a plurality of grooves recessed in the radial direction, each of the blades has a joint end, and an L-shaped groove and a fixing piece extending from the periphery of the L-shaped groove are formed at the joint end by a stamping method The blade further has a locking block extending in the radial direction, the blade is locked on the turntable by the fixing piece, and the locking block is locked into the slot to be fixed on the turntable.

According to the above technical features, the following effects can be achieved:

1. The magnetic resistance element of this creation includes a first part, a second part and a connecting part. The first part, the second part and the connecting part jointly define a groove, and the first part or/and the second part are provided with a magnetic Pieces. By providing a movable space between the wind resistance unit and the magnetoresistive unit, when the magnetoresistive element selectively moves along a radial direction of the magnetoresistive wheel, the second part of the magnetoresistive element can move on the Activity space. In this way, when the magnetoresistive unit and the wind resistance unit are both juxtaposed on the rotating shaft, the first part and the second part of the magnetoresistive element can still be approached or moved away from both sides of the magnetoresistive wheel synchronously without being affected by the wind resistance unit. If both the first part and the second part of the magnetoresistive element are provided with magnetic elements, the symmetrical magnetic element can enable the magnetoresistive wheel to obtain a balanced reluctance resistance, and the magnetoresistive wheel is less likely to be deformed.

2. In this creation, the diameter of the turntable is smaller than the diameter of the reluctance wheel, and the blades protrude from the reluctance disc. With longer blades, the resistance of the wind resistance unit is greater when it rotates, and the wind resistance can be achieved The effect of exercise.

3. The turntable of this invention has a slot, each of the blades has a joint end, the joint end has a fixing member extending in the radial direction, and the joint end extends in the axial direction into the slot, and the blade passes through the radial direction and the shaft. Fixed in two directions, so that the blades are not easy to fall when the wind resistance unit rotates.

Based on the above technical features, the main effects of the fitness device and its dual resistance structure combining wind resistance and magnetic resistance will be clearly presented in the following embodiments.

Please refer to the first to third pictures. The double resistance structure combining wind resistance and magnetic resistance in this creation includes a rotating shaft 1, a wind resistance unit 2, a magnetic resistance unit 3 and a plurality of screws A. The rotating shaft 1 is around a shaft Turn to X. The wind resistance unit 2 includes a turntable 22, the turntable 22 is locked on the rotating shaft 1 with the above-mentioned screw A, and the periphery of the turntable 22 has a plurality of concave grooves 221 along a radial direction Y; the wind resistance unit 2 also has A plurality of blades 21 arranged in an annular shape, the aforementioned plurality of blades 21 extend in the radial direction Y, each of the blades 21 has a joint end 211, and an L-shaped notch 212 is formed at the joint end 211 by stamping. A fixing piece 213 extending from the periphery of the groove 212, each of the blades 21 also has a clamping block 214 extending along the radial direction Y, and each of the blades 21 is screwed to the fixing piece 213 by the above-mentioned screw A. The turntable 22 and the locking block 214 are used to lock into the slot 221, thereby fixing each blade 21 on the turntable 22. The magnetoresistive unit 3 includes a magnetoresistive element 31 and a magnetoresistive wheel 32. The magnetoresistive wheel 32 is locked on the shaft 1 by the screw A, and all the blades 21 protrude from the radial direction Y. The reluctance wheel 32, the diameter of the turntable 22 is smaller than the diameter of the reluctance wheel 32, the reluctance wheel 32 and the wind resistance unit 2 maintain a distance D in the axial direction X of the rotating shaft 1 to form an active space 33 , The magnetoresistive element 31 includes a first portion 311, a second portion 312, and a connecting portion 313 connecting the first portion 311 and the second portion 312, the first portion 311 and the second portion 312 and the connecting portion 313 jointly define a groove 34, the first portion 311 or/and the second portion 312 is provided with a magnetic member 314, and this embodiment is provided on both the first portion 311 and the second portion 312 There is the magnetic member 314. For example, the magnetic member 314 is provided with three permanent magnets on the first part 311 and the second part 312, and the magnetic part 314 of the first part 311 and the second part 312 corresponds to , The first part 311 and the second part 312 of the magnetoresistive element 31 can move synchronously along the radial direction Y of the magnetoresistive wheel 32, wherein the second part 312 moves in the movable space 33 so that the magnetic The resistance element 31 extends into or away from the magnetic resistance wheel 32 to adjust a magnetic resistance of the magnetic resistance wheel 32.

Please refer to FIG. 4 and FIG. 5A. In the fitness device of this embodiment, the above-mentioned dual resistance structure of wind resistance and magnetic resistance is mounted on a fitness device body 4, and the fitness device further has a control unit 5. The control unit 5 is fixed on the body 4 of the fitness device. The control unit 5 operates the magnetic resistance member 31 through a cable 6, and the magnetic resistance member 31 is pivotally connected to the body 4 of the fitness device.

Regarding the wind resistance structure, please refer to the fifth and sixth figures. When the rotating shaft 1 rotates, the turntable 22 and the reluctance wheel 32 are driven to rotate, and the plural blades 21 on the turntable 22 generate a wind resistance due to the rotation. The wind resistance is affected by the size of the blade 21, so the length of the blade 21 protrudes from the reluctance wheel 32, and because the length of the blade 21 is longer, the resistance is greater when the wind resistance unit 2 rotates. , And can achieve the effect of exercise by wind resistance.

For the magnetic resistance structure, please refer to the fifth, fifth A and sixth diagrams. The control unit 5 pulls a driving block 7 through a cable 6, and one end of the cable 6 is connected to the driving block 7, and the cable 6 The other end is connected to the control unit 5 (the control unit 5 is not shown in Figure 5A), the drive block 7 is fixed to a shaft 8, which is pivotally connected to the body 4 of the fitness device, the aforementioned magnetic resistance The member 31 is also fixed to the shaft member 8, so that the magnetic resistance member 31 and the driving block 7 rotate with the shaft member 8 as the axis to a limited extent, and a spring 9 is arranged on the fitness device body 4 and the magnetic resistance member 31 In between, a return elastic force is given to the magnetic resistance element 31. Pulling the driving block 7 through the cable 6 above, the magnetic resistance element 31 and the driving block 7 will move to the magnetic resistance wheel 32 synchronously with the shaft 8 as the axis, and the spring 9 is stretched at this time; if the cable 6 is released , The spring 9 pulls the magnetic resistance element 31 and the drive block 7 away from the magnetic resistance wheel 32 synchronously. When the magnetoresistive element 31 of the magnetoresistive unit 3 is close to the magnetoresistive wheel 32, the second part 312 of the magnetoresistive element 31 moves in the movable space 33 without hindrance, and the magnetoresistive wheel 32 is located in the groove 34, In the state shown in the fifth and sixth figures, only part of the magnetic member 314 moves into the reluctance wheel 32, and the magnetic resistance of the reluctance wheel 32 at this time is relatively small.

Please refer to Figure 5A, Figure 7 and Figure 8. When the magnetic resistance needs to be increased, the magnetic resistance element 31 is pulled through the cable 6, and the magnetic resistance element 31 is along the radial direction Y (such as the first As shown in the figure) is closer to the reluctance wheel 32, at this time the second part 312 of the reluctance element 31 can still move in the movable space 33 without hindrance. In the state shown in the seventh and eighth figures, all the magnetic elements 314 move into the area where the reluctance wheel 32 is located, and the magnetic resistance of the reluctance wheel 32 is relatively large at this time. To reduce the magnetic resistance, the cable 6 can be released, so that the spring 9 pulls the magnetic resistance member 31 and the drive block 7 synchronously away from the magnetic resistance wheel 32, and allows part of the magnetic member 314 to leave the area where the magnetic resistance wheel 32 is located. Reduce magnetic resistance.

Please refer to the fourth figure, the user performs training on the body 4 of the fitness device, by stepping on the foot pedal of the body 4 of the fitness device, the rotating shaft 1 is rotated for exercise, and the control unit 5 The magnetoresistive unit 3 is controlled to act as described above to adjust the resistance during training.

Based on the description of the above-mentioned embodiments, when we can fully understand the operation, use and effects of this creation, but the above-mentioned embodiments are only the preferred embodiments of this creation, and the implementation of this creation cannot be limited by this. The scope, that is, simple equivalent changes and modifications made according to the scope of the patent application for this creation and the content of the creation description, are all within the scope of this creation.

1: shaft 2: Wind resistance unit 21: Blade 211: Binding End 212: L-shaped slot 213: fixed piece 214: Card Block 22: turntable 221: card slot 3: Magnetoresistive unit 31: Magnetic resistance 311: Part One 312: The second part 313: Connection 314: Magnetic Parts 32: Reluctance wheel 33: Event space 34: Groove 4: Fitness device body 5: Control unit 6: Cable 7: Drive block 8: Shaft 9: Spring A: Screw D: spacing X: axial Y: radial

[The first picture] is a three-dimensional exploded view of the double resistance structure combining wind resistance and magnetic resistance. [Second Picture] is a three-dimensional view of the double resistance structure combining wind resistance and magnetic resistance in this creation. [The third picture] is a cross-sectional view of the double resistance structure combining wind resistance and magnetic resistance in this creation. [Picture 4] This is a three-dimensional view of the fitness device with a dual resistance structure combining wind resistance and magnetic resistance. [Fifth picture] This is a side view of the double resistance structure combining wind resistance and magnetic resistance. [Picture Fifth A] is a three-dimensional view of the other side of the dual resistance structure combining wind resistance and magnetic resistance. [Picture 6] This is the top view of the double resistance structure combining wind resistance and magnetic resistance. [Picture 7] is a side view of operating the magnetoresistive element to enter the active space during the creation and use. [The eighth figure] is the top view of operating the magnetoresistive element to enter the activity space during the creation and use.

1: shaft

2: Wind resistance unit

21: Blade

211: Binding End

212: L-shaped slot

213: fixed piece

214: Card Block

22: turntable

221: card slot

3: Magnetoresistive unit

31: Magnetic resistance

311: Part One

312: The second part

313: Connection

314: Magnetic Parts

32: Reluctance wheel

A: Screw

X: axial

Y: radial

Claims (10)

A dual resistance structure combining wind resistance and magnetic resistance, comprising: a rotating shaft; a wind resistance unit fixed on the rotating shaft and including a plurality of blades arranged in a ring; a magnetic resistance unit including a magnetic resistance element and a magnetic resistance wheel The reluctance wheel is fixed on the rotating shaft, the reluctance wheel and the wind resistance unit are maintained at a distance in an axial direction of the rotating shaft to form a movable space, and the reluctance element is selectively along a diameter of the reluctance wheel Move in the direction to extend into or away from the reluctance wheel to adjust a reluctance of the reluctance wheel. When the reluctance element moves in the radial direction, part of the reluctance element moves in the movable space. For example, the dual resistance structure combining wind resistance and magnetic resistance of claim 1, wherein the magnetic resistance element includes a first part, a second part opposite to each other, and a connecting part connecting the first part and the second part, The first part, the second part and the connecting part jointly define a groove, the first part or/and the second part is provided with a magnetic member, and when the groove is selectively moved into or out of the reluctance wheel, The second part is active in the event space. For example, the dual resistance structure combining wind resistance and magnetic resistance of claim 1, wherein the wind resistance unit includes a turntable, the turntable is fixed to the rotating shaft, the plurality of blades are fixed to the turntable, the plurality of blades extend in the radial direction, and all the blades It protrudes from the reluctance wheel in the radial direction. For example, the dual resistance structure combining wind resistance and magnetic resistance in claim 3, wherein the diameter of the turntable is smaller than the diameter of the magnetic resistance wheel. For example, the double-resistance structure combining wind resistance and magnetic resistance of claim 4, wherein the peripheral edge of the turntable has a plurality of grooves recessed in the radial direction, each of the blades has a joint end, and an L-shape is formed at the joint end by stamping Notch and a fixing piece extending from the periphery of the L-shaped notch. A locking block extending radially, the blade is locked on the turntable by the fixing piece, and the locking block is locked into the slot, thereby being fixed on the turntable. A fitness device with a dual resistance structure combining wind resistance and magnetic resistance, comprising: a fitness device body with a control unit; a rotating shaft arranged on the fitness device body; a wind resistance unit fixed on the rotating shaft, including A plurality of blades arranged in a ring; a magnetic resistance unit, including a magnetic resistance member and a magnetic resistance wheel, the magnetic resistance wheel is fixed on the rotating shaft, and the magnetic resistance member is pivotally connected to the body of the fitness device and connected to the control unit The reluctance wheel and the wind resistance unit maintain a distance in an axial direction of the rotating shaft to form a movable space, and the reluctance element selectively moves in the movable space along a radial direction of the reluctance wheel to extend into Or move away from the reluctance wheel and adjust a reluctance of the reluctance wheel. When the reluctance element moves in the radial direction, part of the reluctance element moves in the movable space. For example, the fitness device with dual resistance structure combining wind resistance and magnetic resistance of claim 6, wherein the magnetic resistance element includes a first part, a second part opposite to each other, and a connecting part connecting the first part and The second part, the first part, the second part and the connecting part jointly define a groove, and when the groove is selectively moved into or out of the reluctance wheel, the second part moves in the movable space. For example, the fitness device with a dual resistance structure combining wind resistance and magnetic resistance of claim 6, wherein the wind resistance unit further includes a turntable, the turntable is fixed on the rotating shaft, the plurality of blades are fixed on the turntable, and the plurality of blades are in the radial direction Extend, all blades protrude from the reluctance wheel in the radial direction. For example, the fitness device with a dual resistance structure combining wind resistance and magnetic resistance according to claim 8, wherein the diameter of the turntable is smaller than the diameter of the magnetic resistance wheel. For example, the fitness device with a dual resistance structure combining wind resistance and magnetic resistance of claim 7, wherein the periphery of the turntable has a plurality of grooves recessed in the radial direction, and each of the above-mentioned blades has a coupling end. An L-shaped notch and a fixing piece extending from the periphery of the L-shaped notch are formed at the joint end by stamping. The blade also has a clamping block extending in the radial direction. The blade is locked to the turntable by the fixing piece. , And the card block is inserted into the card slot, thereby being fixed on the turntable.

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