JPH079363U - Exercise Bike Magnetic Resistance Adjuster - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To provide a device for adjusting the magnetic resistance of an exercise bike, which can change the resistance of the exercise bike as desired during the exercise process of the user. [Structure] A device for adjusting the resistance force of an exercise bike by cutting magnetic lines of force by a magnetically conductive flywheel 1. One movable type magnet set 4 is provided across the periphery of the flywheel 1 of the exercise bike, and this magnet set 4 is fixed to one link set 5. The swing direction of the link set 5 is separately controlled by one pull rod. This pull rod is fixed on the slide block of one screw rod set. One guide in this screw rod set
A screw rod is provided to guide the slide block and move the pull rod. The motor that controls the rotation of the guide screw rod continuously changes its rotational speed during the operation process by a preset electronic circuit, and the resistance of the flywheel 1 causes the actual road to travel. Simulate the situation and achieve the practical effect of automatic adjustment and change.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a magnetic resistance adjusting device for an exercise bike, in which a magnet set that mainly generates resistance to a flywheel is fixed on one link set, and the link set here is used. The slide block that rocks the screw rod set through one pull rod, and then locks the pull rod in this screw rod set is a motor-driven one block. Screwed to the id screw rod, this motor is controlled by a pre-installed electronic circuit, which can keep the rotational speed constant during the course of its operation, and it can also continue to fly.・ The purpose is to change the amount of resistance that the wheel receives and simulate the actual road conditions.

[0002]

[Prior art]

 The conventional magnetoresistive exercise bike also uses a magnetic flywheel to cut the magnetic field to generate resistance against the rotating flywheel and increase its practicality. Although the magnet set that forms the magnetic field is movably provided, the conventional magnet set is fixed after adjusting its position, that is, the resistance force generated against the flywheel is set by the user. There is room for improvement in its practicality, because it is always constant and does not change during the exercise process of.

[0003]

[Problems to be solved by the device]

 Therefore, the main object of the present invention is to continuously change the rotation speed or rotation direction of the motor in the operation process in the screw rod set that controls the swing before and after the magnet set. An object is to provide a magnetic resistance adjustment device for an exercise bike.

Another object of the present invention is that the magnet set forming a resistance force against the flywheel is fixed on one link set, and by the parallel swinging method on this link set, The present invention provides an adjusting device for reluctance of an exercise bike in which the magnetic fields formed by the magnets of the magnet set are cut by the periphery of the flywheel at the same time as the magnetic fields are advanced.

[0005]

[Means for Solving the Problems]

 The present invention relates to a new type of resistance adjusting device for a magnetic resistance type exercise bike, and in particular, it has a flywheel and the resistance force of the exercise bike that cuts magnetic field lines by this magnetic flywheel to create a stagnant force. It relates to an adjusting device. One movable type magnet set is provided around the periphery of the freewheel of the exercise bike, and this magnet set is fixed to one link set, and this link set is separately rocked by one pull rod. Direction controlled, this pull rod is fixed on the slide block of one screw rod set, there is one guide screw rod inside this screw rod set, The motor that can move the pull rod by guiding the slide block and that controls the rotation of the guide screw rod is continuously driven by the preset electronic circuit during its operation. The rotation speed is changed, and the drag force of the flywheel simulates the actual road conditions, achieving the practical effects of automatic adjustment and change. That.

[0006]

【Example】

 An embodiment of the present invention will be described below with reference to the drawings. As shown in FIGS. 1 and 2, the present invention has a cantilever 2 provided on one side of a flywheel 1 of an exercise bike. One end of the cantilever 2 is installed coaxially with the flywheel 1 and the other end is provided. It extends into one frame 31 provided on the side of the frame 3 of the motorbike. Then, another magnet set 4 is installed around the periphery of the flywheel 1, and this magnet set 4 is placed in a U-shaped iron tank 41 on two facing and parallel sides. A plurality of magnets 42, each paired with two magnets, are provided, and the magnet set 4 that swings forward and backward is provided by a magnet 42 that is provided on the flywheel 1 when the magnet set 4 is moved forward. The magnetic field formed by the two magnets 42 facing each other at the peripheral edge of the magnetic flywheel 1 is cut at the peripheral edge of the magnetic flywheel 1 at the same time. Provides resistance in the opposite direction. It should be noted that, in order to generate a better magnetic lag effect when the magnetic field of the magnet set 4 is cut by the flywheel 1 in the present invention, any opposing magnets 42 of the magnet set 4 of the present invention are The magnets 42, which have opposite ends of opposite polarities and are installed on the same side, are also installed with the ends of opposite polarities arranged in parallel (see FIG. 3).

A link set 5 is connected between the cantilever 2 and the magnet set 4, and the link set 5 includes two cranks 51 and one link which are parallel to each other. Is fixed on one side to the outside of one side of the magnet set tank iron 41, one protruding shaft 52a is provided at each end of the other side, and two cranks 51 are respectively provided at both ends. One shaft sleeve 51a is provided, one shaft hole 51b is provided at the center of each of the two shaft sleeves 51a, and the protruding shaft 52a can be fitted between them by the axial rotation method. Similarly, two projecting shafts 21 are provided on the side of the cantilever 2, and these two projecting shafts 21 can be respectively placed in the shaft sleeves 51a installed at the lower ends of the two cranks 51. Moreover, the protruding ends of the protruding shafts 21 and 52a are threaded at the ends protruding to the outside of the shaft sleeves 51a, and nuts 53 are screwed to prevent the shaft sleeves 51a from coming off from the protruding shafts 21 and 52a. is doing.

One push plate 51c is fixed above the shaft sleeve 51a provided at the upper end of one crank 51 in the link set 5, and an elongated slot 51d is formed on the push plate 51c. The elongated slot 51d is provided with one pull rod 66 in the screw rod set 6 at its curved end by the upper and lower slide systems, and the pull rod 66 is installed. By pushing and pulling the rod 66, the link set 5 and the magnet set 4 are swung forward and backward. The two cranks 51 have the same length and are installed in parallel, and the distance between the two projecting shafts 52a installed on the side of the link 52 is equal to that of the side of the cantilever 2. Since the distance between the two protruding shafts 21 provided above is also the same, when the link set 5 swings on the side of the cantilever 2, the link 52 is always parallel to the cantilever 2. The state is maintained and the movement direction of the magnet set 4 fixed to the link 52 is stabilized.

The screw rod set 6 of the present invention is fixed on the frame body 3 of the exercise bike, and the guide screw rod 63 is moved by the motor 61 with the appropriate number of reduction gears 62. A slide block 64 is screwed on the screw rod 63, and the upper end of the slide block 64 is set in one variable resistor 65, which is a guide screw rod 63. It is fixed above the screw rod set 6 in a parallel manner, and when the slide block 64 is moved forward or backward with the rotation of the guide screw rod 63, a signal is generated in the variable resistor 65, Then, it is sent to the position sensor 72 of the motor control device 7, and the pull rod 66 is fixed at one end on the slide block 64. The other end of the pull rod 66 has a bent shape, and its end is put into the elongated slot 51d of the push plate 51 of the link set 5 to move with the slide block 64. -The rod 66 allows the link set 5 to be swung forward and backward simultaneously (see FIG. 4).

As shown in FIG. 5, a motor control device 7 is separately provided in the present invention, and the motor control device 7 is provided between the motor 61 and the microcomputer 71 by a lead wire, and A position sensor 72 and a position control device 73 are separately connected between the motors 61. The position sensor 72 receives a signal from the variable resistor 65 to identify the position of the pull rod 66.

Since the microcomputer 71 is installed in the present invention, the user can set the motion method in advance, and as shown in FIG. 6, the vertical axis D indicates the motor after the invention starts operating. The magnet set 4 controlled indirectly by 61 is the depth between the peripheries of the flywheel 1 (the more forward the magnet set 4 is, the greater the resistance force the flywheel 1 receives), and the lateral Since the axis T is the exercise time, the present invention shows that the magnet set 4 is sequentially set on the flywheel 1 in the time zone from 0 point to A point after being set by the user before each use. Entering the rim, during this time the user will start climbing a road with steep hills, and during the time from A to B the position of the magnet set 4 will be fixed, ie the user will feel Has a fixed slope In the time zone from B to C, the magnet set 4 sequentially moves to the outside of the flywheel 1 and the resistance received by the flywheel 1 gradually decreases, so that the user gradually changes the slope of the road surface. It becomes small, and at the end it feels like exercising on a flat road.

Moreover, in the DT diagram, the curvature of the curve, the inclination rate and the length can be arbitrarily designated by the user, and the interest and the practicality can be improved in the use process. Can be increased.

Of course, in order to make the appearance of the present invention beautiful, after the whole assembly is completed, as shown in FIG. 7, the carver hides all the internal structural parts, and only the pedal set is exposed to the outside. With a clean, refreshing and beautiful appearance, it is an excellent new design that catches the eye.

[Brief description of drawings]

FIG. 1 is a perspective view of an embodiment of the present invention.

FIG. 2 is an exploded view of an embodiment of the present invention.

FIG. 3 is a front view of a magnet set according to an embodiment of the present invention.

FIG. 4 is a side view of an embodiment of the present invention.

FIG. 5 is a diagram showing a motor control circuit according to an embodiment of the present invention.

FIG. 6 is a diagram showing the relationship between the position and time of a magnet set in use according to an embodiment of the present invention.

FIG. 7 is a three-dimensional external view of the product after the assembly of the embodiment of the present invention is completed.

[Explanation of symbols]

 1 flywheel 4 magnet set 2 cantilever 5 link set 51 crank 51a shaft sleeve 52a protruding shaft 21 protruding shaft 51b shaft hole 51c pushing plate 51d groove hole 66 pull rod 63 guide screw rod 64 slide block 61 motor 71 microcomputer 7 motor Control device

Claims (2)

[Scope of utility model registration request] 1. A single magnet set capable of swinging back and forth is installed near the periphery of a flywheel of an exercise bike, and when the magnet set swings forward, two edges of the flywheel face each other. The magnetic field formed by a plurality of magnets installed in the same position, and a cantilever is coaxially attached to one side of the flywheel.
The cantilever and the magnet set are connected to each other by one freely rotating link set, and the link set has two cranks parallel to each other. Two shaft sleeves are provided in each of the two, and the shaft holes installed in the center of each shaft sleeve are parallel to each other, and one swing arm is provided at the upper ends of the two cranks Is fixed on the side of the magnet set, and one projecting shaft is provided at both ends on the other side, and the shaft sleeves at the upper ends of the two cranks can be fitted on it by the shaft rotation method. Also, the shaft sleeves at the lower ends of these two cranks are fitted into the other two protruding shafts installed on the side of the cantilever by the shaft rotation method, and one push plate is installed at the upper end of one crank. Fixed, this push plate has one long slot in which the curved end of one pull rod can be fitted in the way of up and down slide, and this The other end of the pull rod is fixed on a slide block of one screw rod set, this slide block is screwed on a guide screw rod driven by a motor, and
Its upper end can slide back and forth on a variable resistor parallel to one guide screw rod, and this variable resistor is connected to one microcomputer through one voltage sensor, and this microcomputer is connected to one motor controller. By controlling the operation and rotation direction of the motor and using the combination of the above-mentioned components and the preset electronic circuit, the rotation speed can be continuously changed by the controller in the course of its operation. A device for adjusting the magnetic resistance of an exercise bike that is capable of simulating actual road conditions with the resistance of a flywheel and achieving the functions of automatic adjustment and change. 2. The magnets facing each other in the magnet set are installed so that their opposite ends have opposite polarities, and the same side ends of the magnets on the same side of the magnet also have different polarities. The apparatus of claim 1, wherein the ends of the exercise bike are spaced apart from each other.