TWM512421U - Exercise bike with fanned magnetic control damping device - Google Patents

Description

Exercise bike fan type magnetic control damping device

The present invention relates to a reluctance exercise vehicle, in particular to a fan-type magnetron damping device for an exercise bike.

There are many kinds of equipment for modern people's fitness. Among them, exercise bikes are especially popular among modern people. Generally, the exercise bikes on the market mainly achieve the effect of fitness by turning a resistance wheel, and the resistance wheels of the aforementioned exercise bicycles have various kinds. Different ways of generating resistance, one of the exercise bikes generates the necessary resistance to movement by a fan-type magnetron damping device.

The magnetic control damper device has a flywheel, and the flywheel is disposed on an exercise bike bracket, the flywheel defines a receiving slot, the accommodating slot sidewall has a magnetoresistive component; a magnetic control device, the magnetic control device The magnetic control device has a shaft hole in the center thereof, and the shaft hole is provided with a shaft center of the exercise bicycle, and the magnetic control device has a plurality of magnetic portions at a periphery thereof, and the magnetic portions The magnetic device is movable relative to the magnetron, and the magnetic portion faces the magnetoresistive component, and a magnetic force between the magnetic portion and the magnetoresistive component causes a resistance between the flywheel and the magnetron; The control device is connected to a control cable. When the user has not adjusted the control cable, the magnetic portion is adjacent to the magnetoresistive component. When the user pulls the control cable, the control cable controls the magnetic portions toward the control device. The direction of the shaft hole moves, so that the magnetic portions are away from the magnetoresistive component. When the magnetic portion is closer to the magnetoresistive component, the amount of magnetic resistance generated is relatively larger, and when the magnetic portion is When the distance from the magnetoresistive component is far, the amount of magnetic resistance generated is relatively small, so that the user can pull the control cable to control the amount of magnetic resistance of the magnetron damping device.

However, the magnetic portion and the reluctance fitting also have a repulsive force, and the repulsive force will push the magnetic portion toward the shaft hole, so that when the user pulls the control cable, the In addition to being subjected to the pulling force of the control cable, the magnetic portion is also moved by the repulsive force, but the repulsive force is a force that the user cannot control, so that the resistance of the user when using the fitness is unstable, thereby affecting The user's sporting quality is based on a fan-type magnetron damping device that requires an anti-rejection repulsive force.

The utility model provides a fan-type magnetic control damping device for an exercise bicycle, the main purpose of which is to provide a fan-type magnetic control damping device for an exercise vehicle which is not affected by the reluctance repulsive force.

In order to achieve the above objective, the fan-type magnetic control damping device of the present invention includes a flywheel, and the flywheel is pivotally disposed on an exercise bicycle bracket, the flywheel has a receiving groove, and the receiving groove a magnetic resistance device is disposed on the sidewall ring; a magnetic control device is disposed in the receiving groove of the flywheel, the magnetic control device includes a bottom plate, a rotating member and a plurality of pivoting members, the axis is penetrating through the bottom plate The pivoting member is disposed around the rotating member, and one of the pivoting members is a pivoting end, the pivoting end is pivotally coupled to the bottom plate, and the other end of the pivoting members is a pivoting end, defined The pivoting member pivots the pivoting end toward the axis in a converging direction, and the pivoting members center the pivoting end toward the magnetoresistive component The direction of the swing is an expansion direction, and one side of the pivot members has a guiding portion, the guiding portion has a guiding groove, the guiding groove has a first end and a second end, and the other side of the pivoting members Having a magnetic portion; The rotating member has a plurality of sliding portions, and the sliding portions are formed at equal intervals, and the sliding portions are respectively displaceably disposed on the guiding grooves, and when the sliding portion slides toward the first end, the rotating portion The pivoting member swings toward the converging direction, and when the sliding portion slides toward the second end, the pivoting member swings toward the expanding direction, and the rotating member is pivotally sleeved on the axial center, the rotating member An actuating portion is provided for coupling with a control cable, the control cable provides a pulling force of the rotating member, and the direction of the control cable pull is defined as a pulling direction, and the pulling force direction provides the pivoting member to the a direction of the pulling force of the pivoting direction, the rotating member further has a positioning joint; and a first elastic member, the first elastic member is a normal tightener, and one end of the first elastic member is fixedly disposed on the bottom plate a fixing point, the other end of the first elastic member is coupled to the positioning joint of the rotating member, the elastic member provides a resilient pre-stress of the rotating member, and the direction of the elastic pre-tension pulling of the elastic member is defined as a spring direction , the direction of the elastic force and the direction of the pulling force Anti.

It can be seen from the foregoing that when the user pulls the control cable to drive the actuating portion of the rotating member, each of the sliding portions pushes against the pivoting members to pivot the pivoting member toward the expanding direction with the pivoting end. Pivoting, such that the pivoting member moves in a direction opposite to the repulsive force between the magnetic portion and the reluctance fitting, and the pivoting member can resist the repulsive force by pulling the tension of the control cable, thereby Producing a stop against the repulsive force, thereby minimizing the influence of the repulsive force on the fan-type magnetron damping device of the new exercise bike, and achieving a magnet-type magnetic damping of the exercise vehicle that is not affected by the reluctance repulsive force The purpose of the device.

10‧‧‧Flywheel

11‧‧‧ accommodating slots

12‧‧‧Magnetic resistance accessories

20‧‧‧Magnetic control device

21‧‧‧floor

211‧‧‧ fixed point

22‧‧‧Rotating parts

221‧‧ ‧ slip section

222‧‧‧Acoustic Department

223‧‧‧ Positioning Joint

23‧‧‧ pivot decoration

231‧‧‧ pivoting end

232‧‧‧ pivoting end

233‧‧‧Guidance

233A‧‧‧ Guide slot

234‧‧ Magnetic Department

30‧‧‧First elastic parts

40‧‧‧Second elastic parts

A‧‧‧Rally direction

B‧‧‧Flex direction

H‧‧‧Axis

J‧‧‧ first end

K‧‧‧ second end

S‧‧‧Control cable

Figure 1 is an exploded view of the fan-type magnetron damping device of the new exercise bike.

Figure 2 is a front view of the fan-type magnetron damping device of the exercise bike of the present invention.

Fig. 3 is a front view showing another state of the fan type magnetron damping device of the exercise bike of the present invention.

To enable your review committee to have a better understanding and understanding of the purpose, characteristics and efficacy of this new model, please follow the [simplified description of the drawings] as follows: The new type of exercise bike fan-type magnetic control damping device is shown in Figure 1 As shown in FIG. 3, the flywheel 10 has an axis H, and the flywheel 10 is pivotally disposed on an exercise bicycle bracket. The flywheel 10 has a receiving slot 11 A magnetoresistive component 12 is disposed on the sidewall of the receiving slot 11 , and the magnetoresistive component 12 is a magnet ring. A magnetic control device 20 is disposed in the receiving slot 11 of the flywheel 10 . The magnetron 20 is disposed in the receiving slot 11 of the flywheel 10 . The bottom plate 21 includes a bottom plate 21, a rotating member 22 and a plurality of pivoting members 23. The axis H is inserted through the bottom plate 21, and the pivoting members 23 are disposed around the rotating member 22. One end of the pivoting members 23 is pivoted. The pivoting end 231 is pivotally coupled to the bottom plate 21, and the other end of the pivoting members 23 is a pivoting end 232, and the pivoting members 23 are defined to be centered on the pivoting end 231. The direction in which the pivoting end 232 swings toward the axis H is a converging direction, and the pivoting members 23 are opposite to the pivoting end 231. The center pivots the pivoting end 232 toward the magnetoresistive component 12 in an expanding direction, and one of the pivoting members 23 has a guiding portion 233 having a guiding groove 233A having a guiding groove 233A. a first end J and a second end K, the other side of the pivoting member 23 has a magnetic portion 234; the rotating member 22 has a plurality of sliding portions 221, and the sliding portions 221 are formed at equal intervals, The sliding portions 221 are respectively displaceably disposed on the guiding grooves 233A, so that the sliding portion 221 is slipped in the guiding groove 233A, and when the sliding portion 221 is slid toward the first end J, The pivoting member 23 swings toward the converging direction, and when the sliding portion 221 slides toward the second end K, the sliding portion 221 pushes against the pivoting member 23, the pivoting member 23 is swung in the expanding direction, the rotating member 22 is relatively pivotally sleeved on the axis H, the rotating member 22 has an engaging portion 222, and the actuating portion 222 is provided a control cable S is provided, the control cable S provides a pulling force of the rotating member 22, and the direction in which the control cable S is pulled is defined as a pulling direction A, and the pulling force direction A provides a pulling force for the pivoting member 23 to swing in the expanding direction. In the direction of the rotating member 22, the rotating member 22 has a positioning joint 223. Preferably, the actuating portion 222 is located on one side of the rotating member 22. The positioning joint portion 223 is located at the rotating member 22 and has the actuating portion 222. The other side; a first elastic member 30, the first elastic member 30 is a normal tightener, and one end of the first elastic member 30 is fixedly disposed at a fixing point 211 of the bottom plate 21, and the first elastic member 30 is The other end is coupled to the positioning joint 223 of the rotating member 22. The elastic member 30 provides an elastic pre-stress of the rotating member, and defines a direction of the elastic pre-tension pulling of the elastic member 30 as a spring direction B. The direction B is opposite to the pulling direction A, and the elastic pre-force is opposite to the pulling force. a mutual resistance, the first end J is located at one side of the second end K in the elastic direction B, and the second end K is located at one side of the first end J in the pulling direction A; a second elastic member 40, the second elastic member 40 is a normal tightener, and one end of the second elastic member 40 is coupled to one of the pivot members 23 having one side of the guiding portion 233, and the second elastic member 40 is The other end of the pivoting member 23 has one side 233 of the guiding portion. In the preferred embodiment of the present invention, the number of the second elastic members is two.

The state of the fan-type magnetron damping device of the new exercise bicycle is not yet pulled in the control cable S. As shown in FIG. 2, when the user has not pulled the control cable S, the control cable S has not yet been caused by the rotating member 22. The movable portion 222 is biased, and one end of the first elastic member 30 is fixedly disposed at the fixing point 211 of the bottom plate 21, and the other end of the first elastic member 30 is coupled to the positioning joint of the rotating member 22. 223, in the condition that the user has not pulled the control cable S, the first elastic member 30 applies the rotating member 22 to an elasticity. The pre-force deflects the rotating member 22 toward the elastic direction B, so that the sliding portions 221 abut against the first end J of each guiding groove 223A in this state, so that the pivoting end 232 of each pivoting member 23 A state of converging in the direction of the axis H is presented.

The fan-type magnetron damping device of the new exercise bicycle has the state of the control cable S as shown in FIG. 3. When the user pulls the control cable S, the control cable S provides the rotating member 22 to resist the elasticity. a tensile force of the pre-force, and the tension is greater than the elastic pre-force, so that the rotating member 22 rotates toward the pulling direction A and drives the sliding portions 221 to slide toward the second end K, and the pivoting member 23 is turned toward The expansion direction oscillates, thereby causing the pivot member 23 to approach the magnetoresistive component 12, thereby increasing the resistance of the fan-type magnetron damping device of the novel exercise bike.

It can be seen from the foregoing that when the user pulls the control cable S to drive the actuating portion 222 of the rotating member 22, each of the sliding portions 221 pushes against the pivoting members 23 to make the pivoting member 23 with the pivoting end 231. The pivoting member pivots toward the expanding direction, such that the direction of movement of the pivoting member 23 is opposite to the direction of the repulsive force between the magnetic portion 234 and the reluctance fitting 12, and the pivoting member 23 can be controlled by the control cable The pull-up tension of S resists the repulsive force, thereby generating a stop against the repulsive force, thereby minimizing the influence of the repulsive force on the fan-type magnetron damping device of the new exercise bike, thereby providing a magnetic proof The purpose of the magnet-type magnetic damping device of the exercise vehicle that affects the repulsive force.

10‧‧‧Flywheel

11‧‧‧ accommodating slots

12‧‧‧Magnetic resistance accessories

20‧‧‧Magnetic control device

22‧‧‧Rotating parts

221‧‧ ‧ slip section

222‧‧‧Acoustic Department

23‧‧‧ pivot decoration

231‧‧‧ pivoting end

232‧‧‧ pivoting end

233‧‧‧Guidance

233A‧‧‧ Guide slot

234‧‧ Magnetic Department

H‧‧‧Axis

Claims (4)

The utility model relates to a fan-type magnetic control damping device of an exercise bicycle, which is arranged on an exercise bicycle bracket. The fan-type magnetic control damping device of the exercise bicycle comprises: a flywheel, the flywheel has an axial center, and the flywheel has a receiving groove, a magnetic resistance device is disposed on the sidewall of the accommodating groove; a magnetic control device is disposed in the accommodating groove of the flywheel, the magnetic control device includes a bottom plate, a rotating member and a plurality of pivoting members, wherein the axis is penetrated a bottom plate, the pivoting members are disposed around the rotating member, and one of the pivoting members is a pivoting end, the pivoting end is pivotally coupled to the bottom plate, and the other end of the pivoting members is a pivot a pendulum end defining a pivoting member centered on the pivoting end such that the pivoting end is swung toward the axis in a converging direction, and the pivoting members are centered on the pivoting end The direction of the reluctance member swinging is an expanding direction, and one side of the pivoting member has a guiding portion, the guiding portion has a guiding groove, the guiding groove has a first end and a second end, and the pivoting members The other side has a magnetic portion; the rotating member has a plurality of slides The sliding portions are equally spaced, and the sliding portions are respectively displaceably disposed on the guiding grooves. When the sliding portion slides toward the first end, the pivoting member faces the converging direction. Swinging, when the sliding portion slides toward the second end, the pivoting member swings toward the expanding direction, the rotating member is sleeved relative to the pivoting axis, and the rotating member has an engaging portion, The moving portion is coupled with a control cable, and the control cable provides a pulling force of the rotating member, and defines a direction of the pulling of the control cable as a pulling direction, wherein the pulling force direction provides a pulling force of the pivoting member pivoting to the expanding direction Orienting, the rotating member further has a positioning joint; and a first elastic member, the first elastic member is a normal tightener, and the first elastic member is fixed at one end At a fixed point of the bottom plate, the other end of the first elastic member is coupled to the positioning joint of the rotating member, the elastic member provides an elastic pre-stress of the rotating member, and defines an elastic pre-tension of the elastic member. The direction is an elastic direction, and the direction of the elastic force is opposite to the direction of the pulling force. The utility model as claimed in claim 1 , wherein the motor vehicle fan-type magnetron damping device further comprises at least one second elastic member, wherein the second elastic member is a normal tightener, and one end of the second elastic member is coupled to One of the pivot members has one side of the guiding portion, and the other end of the second elastic member is coupled to the other side of the pivoting member having one side of the guiding portion. The fan-type magnetron damping device of the exercise vehicle of claim 1, wherein the actuating portion is located on one side of the rotating member, and the positioning joint is located at the rotating member having the other of the actuating portions side. The utility model as claimed in claim 1 , wherein the first end is located at one side of the second end in the elastic direction, and the second end is located at the first end. One side of the pulling direction.