CN2326292Y

CN2326292Y - Magnetic-controlled flywheel device for body-building vehicle

Info

Publication number: CN2326292Y
Application number: CN 98214270
Authority: CN
Inventors: 吴声荣; 魏忠诚
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-05-29
Filing date: 1998-05-29
Publication date: 1999-06-30
Anticipated expiration: 2008-05-29

Abstract

The utility model relates to a magnetic controlled flywheel device for a body building vehicle, a wheel shaft is sheathed with a flywheel and a disk body, the symmetrical positions of the disk body corresponding to the flywheel or one side face of the disk body corresponding to the flywheel is respectively fixedly provided with a plurality of magnets and a concentrating flux plates, which cause that magnetic resistance force can be generated to realize the purpose of magnetically controlling the motion resistance force, wherein, the hole bottom face of a concave hole of the flywheel is fixedly provided with a plurality of the concentrating flux plates, one side face of the disk body being symmetrical about the hole bottom face of the concave hole is annularly provided with a plurality of the magnets, and a gap is formed between one magnetic suction face of each magnet and the concentrating flux plates; as the disk body and the flywheel can generate axial relative move, the magnitude of the magnetic resistance force of the flywheel caused by the magnets can be adjusted.

Description

Exercycle magnetic control flywheel gear

The utility model relates to a kind of resistance structure of exercycle, particularly relates to the easy and adjustment labour-saving exercycle magnetic control flywheel gear of a kind of manufacturing assembly.

A kind of exercycle that is provided with the magnetic control flywheel gear is arranged, its structure as shown in Figure 1, a main flywheel 2 of iron material matter and the disk body 3 of non-metallic material (plastic cement material) of on a wheel shaft 1, being provided with, and disk body 3 outsides are provided with a spring 4 and a location-plate 5 again in regular turn, wherein, this flywheel 2 is provided with a shrinkage pool 201, these shrinkage pool 201 inner ring surfaces are provided with and are bent into semicircle laminar two magnetic conductive boards 6, but this magnetic conductive board 6 is to make with the aluminium material that does not have magnetic and conducting magnetic force, and the relative what magnetic conductive board 6 of these disk body 3 side faces, be provided with most magnet 7 of circular arc bulk, when disk body 3 is set in these shrinkage pool 201 inside, on the relative position of the one magnetic face 701 in 7 whats of this magnet outside and magnetic conductive board 6, this spring 4 is set on the wheel shaft 1 of 5 of disk body 3 and location-plates, release elastic force disk body 3 is shifted towards shrinkage pool 201 directions by returning, this location-plate 5 is fixed on wheel shaft 1 proximal end place and is provided with a perforation 501, perforation 501 outsides can be for a resistance trimming lead 8 terminal location, one cable wire 801 of these resistance trimming lead 8 inside passes perforation 501 Hous, its terminal buckle is positioned on the disk body 3, resistance trimming lead 8 other ends then draw to exercycle, making cable wire 801 other ends and adjust button links, and location-plate 5 ends extend a guide rod 502, and these guide rod 502 ends are passed in the set guide hole 301 of disk body 3 relative positions.Trample the pedal of exercycle as the operator, can drive a drive unit 9 of establishing what flywheel 2 one sides, and drive unit 9 can rotate towards link these flywheel 2 relative what disk bodies 3 and magnet 7 of a direction wherein, the magnetic effect that utilizes 7 pairs of flywheels 2 of magnet to be produced, and the generation magnetic resistance, the operator resists the magnetic resistance application of force relatively, so can reach the purpose of motion.When rotating the adjustment button, utilize drawing of 801 pairs of disk bodies 3 of cable wire to pull or discharge, can make disk body 3 relative what flywheels 2 and along the axial generation displacement of wheel shaft 1 (guide hole 301 produced along guide rod 502 and slided this moment), and magnet 7 magnetic faces 701 are changed with the relative magnetic area of shrinkage pool 201 inner ring surfaces, and reach the purpose (shown in Fig. 1 imaginary line) of adjusting the magnetic resistance size.

Utilize said apparatus can reach the purpose of adjusting magnetic resistance, but, still have following deficiency in actual manufacturing, when using:

One, when desiring to be adjusted to less magnetic resistance, must operate and adjust button and cable wire 801 is drawn pull this disk body 3, the magnet 7 that impels disk body 3 and fixedly install its side face of what can move towards outside generation of flywheel 2 shrinkage pools 201, and the magnet 7 magnetic faces 701 and the relative area of shrinkage pool 201 inner ring surfaces (being magnetic conductive board 6) are diminished.In aforesaid operations moved, the operator rotates the torsion of adjusting button must returning of antagonistic spring 4 release elastic force, so require great effort when operation.

Two, 6 formed gaps of magnet 7 and magnetic conductive board can not be too big, otherwise can lose the magnetic resistance effect, and this gap approximately is the Yu crack that flywheel 2 can rotate, in case when having foreign matter to embed this gap, will block and produce fault.

Three, when using a period of time Hou, spring 4 is if produce elastic fatigue, by what cable wire 801 is the one-sided generation of disk body 3 to be drawn pull or discharge, and location-plate 5 only utilizes the guide hole 301 slip sockets of a guide rod 502 and disk body 3, the power inequality that makes disk body 3 drawn by cable wire 801 to pull or discharge, and make disk body 3 produce skewness, and because of the gap of 7 of flywheel 2 and magnet very little, thereby cause the wherein magnet 7 and magnetic conductive board 6 generation collision frictions of a side, and cause noise.

Four, it is tabular that this magnetic conductive board 6 is bent into semicircular arc, when manufacturing, assembly, must quite accurate consideration whether have out of roundness, and increase the difficulty of making in processing and the assembly.

The purpose of this utility model provides a kind of exercycle magnetic control flywheel gear at what, and is quite laborsaving when making the adjustment magnetic resistance, and magnetic conductive board is made assembly easily.

Another purpose of the present utility model provides a kind of exercycle magnetic control flywheel gear at what, can prevent that foreign matter from blocking and causing the noise phenomenon.

In the technical solution of the utility model, exercycle magnetic control flywheel gear, comprise a wheel shaft, coaxial be arranged on this wheel shaft a ferrous flywheel and relatively this flywheel shaft to a disk body, this flywheel is provided with a shrinkage pool, and this disk body is set in this shrinkage pool, this disk body and flywheel symmetric position place are installed with respectively and can make flywheel produce magnetic resistance to reach several magnet and the magnetic conductive board of the magnetic control resistance of motion, wherein, the bottom surface, shrinkage pool hole of this flywheel is installed with several magnetic conductive boards, and be equipped with several magnet on the side of this bottom surface, disk body symmetry what shrinkage pool hole, and be formed with a gap between a magnetic face of magnet and magnetic conductive board.

Below by most preferred embodiment and accompanying drawing exercycle of the present utility model is elaborated with the magnetic control flywheel gear:

Fig. 1 is the combination section of general exercycle with the magnetic control flywheel gear.

Fig. 2 is the front-view schematic diagram of general exercycle with the magnetic control flywheel gear.

Fig. 3 is the exploded perspective view of the utility model first preferred embodiment.

Fig. 4 is the combination section of the above-mentioned preferred embodiment of the utility model.

Fig. 5 is the combination section of above-mentioned preferred embodiment draw-in groove of the utility model and stator.

Fig. 6 is the adjustment schematic diagram of the above-mentioned preferred embodiment of the utility model.

As shown in Figures 3 and 4, the utility model embodiment exercycle magnetic control flywheel gear includes a wheel shaft 10, a single direction ratchet device 20, a flywheel 30, four magnetic conductive boards 40, an inner spring 50, a disk body 60, most magnet 70, an outer spring 80 and location-plates 90.

These wheel shaft 10 two ends are erected on the frame 100 of exercycle, and the end at two ends establishes fixingly with nut 110 lock, and are arranged with a single direction ratchet device 20, and these single direction ratchet device 20 side faces are provided with a sprocket wheel 21.

This flywheel 30 is to make with the iron material matter with magnetic, and be set on the single direction ratchet device 20, can be subjected to single direction ratchet device 20 toward directions interlock wherein and relatively what wheel shaft 10 rotate, this flywheel 30 a wherein side is provided with a shrinkage pool 31 of step shape, and this shrinkage pool 31 place, centre positions approximately forms a shoulder 32.

This four magnetic conductive board 40 is fan shape thin plates of making 90 ° of arguments of tool with the aluminium material of tool conducting magnetic, and four magnetic conductive boards, 40 one-tenth hollow disc shapes capable of being combined, smooth being installed on this bottom surface, shrinkage pool 31 hole.

This inner spring 50 is to be example with the compression spring in the present embodiment, and is set on the wheel shaft 10, and wherein a side is positioned at wheel shaft 10 outsides of bottom surface, symmetrical what flywheel 30 shrinkage pools, 31 hole.

This disk body 60 be in the present embodiment make with plastic cement material discoid, the greatest circle footpath of its little what shrinkage pool 31 in greatest circle footpath, and central authorities are provided with an axis hole 61, this axis hole 61 is and is set in this wheel shaft 10 outsides slidably, the fastening position can be supported for inner spring 50 another sides in axis hole 61 1 end outsides, as shown in Figure 5, set firmly at symmetrical what magnetic conductive board 40 and be provided with four groups of draw-in grooves 62 that radially extend on the medial surface of position, make and a stator 63 of 90 ° of arguments of tool admittedly respectively in each draw-in groove 62 with iron material matter.In addition, be respectively equipped with two guide holes 64 and a perforation 65 at axis hole 61 peripheries, perforation 65 wherein can be for the cable wire 210 buckles location of resistance trimming lead 200 inside.

This magnet 70 is to make and have eight with permanent magnet in the present embodiment, on each stator 63, be provided with two magnet 70 respectively, one magnetic face 71 is relative with magnetic conductive board 40, the width of each magnet 70 symmetry what magnetic conductive board 40 and make fan-shaped bulk, the magnetic force of this magnet 70 can see through magnetic conductive board 40 and flywheel 30 is produced the magnetic effects.

This outer spring 80 is compression springs, and is set in wheel shaft 10 outsides in disk body 60 outsides.

This location-plate 90 is U type support body and the sheathed wherein end of wheel shaft 10 that is positioned at, respectively there is a guide rod 91 at its two ends, these guide rod 91 ends are socketed in the perforation 64 of disk body 60 slidably, and location-plate 90 inboards are held by outer spring 80 1 ends, the outside is position what frame 100 inboards then, and spiral shell is provided with a conduit 92 of hollow tubular, and this conduit 92 can be for the terminal location of resistance trimming lead 200, and make cable wire 210 pass location-plate 90 smoothly and with disk body 60 snappings.

As shown in Figure 4, when Hou is finished in assembly, this disk body 60 is set in the shrinkage pool 31 of flywheel 30, and magnetic conductive board 40 is relative with the magnetic face 71 of magnet 70, one gap 400 is arranged between the two, and utilize this magnet 70 absorption stators 63, and stator 63 is inhaled admittedly in draw-in groove 62, make magnet 70 have preferred positioning.In this state, gap 400 minimums, the magnetic force that is magnet 70 is seeing through magnetic conductive board 40 Hous, can produce maximum magnetic effect to flywheel 30, when the sprocket wheel 21 of this single direction ratchet device 20 is driven and when single direction ratchet device 20 is rotated, can drive flywheel 30 and rotate toward directions wherein, when flywheel 30 rotates, can produce and hinder the resistance that flywheel 30 rotates, when resisting this magnetic resistance, the operator must bestow bigger stampede power, so can reach the purpose of sport and body-building.

As shown in Figure 6, when desire is adjusted magnetic resistance, the operator need only rotate and establish one of what exercycle predetermined position and adjust button, cable wire 210 ends is drawn pull, drive disk body 60 along wheel shaft 10 axially towards outer displacement, at this moment, effect is released in returning of this inner spring 50 of mat, can make to rotate that to adjust button more or less freely, and under the motionless state of location-plate 90, the guide hole 64 of this disk body 60 can slide along guide rod 91, and this outer spring 80 is compressed.This magnet 70 is with disk body 60 displacements, and makes

magnetic face

71 and 40 of magnetic conductive boards be formed with a big gap 500 of big width, and because of the formation in big gap 500, the magnetic resistance that makes flywheel 30 rotate is less, so operator's use of applicable what difference demands.On the contrary, when recalling to the big magnetic resistance of tool, the operator can utilize returning of outer spring 80 to release power rotating when adjusting button, makes operation comparatively laborsaving, easy.

In sum, the utility model exercycle is summarized as follows with the advantage of magnetic control flywheel gear:

One, utilize magnet 70 magnetic faces 71 relative with bottom surface, flywheel 30 shrinkage pools, 31 hole, the magnetic resistance effect when flywheel 30 is rotated is good.

Two, when desire adjustment magnetic resistance size and operation adjustment button, and cable wire 210 is drawn pull or discharge this disk body 60 when wheel shaft 10 axially produces displacement, utilize the inner spring 50 of disk body 60 both sides to return the power effect of releasing with the elasticity of outer spring 80, it is comparatively laborsaving cable wire 210 to be drawn in the operation of pulling or discharging rotating the adjustment button.

Three, the utility model magnetic resistance effect formation what shrinkage pool bottom surface, 31 hole and magnet are 70, so the spacing distance between disk body 60 peripheries are directly located to shrinkage pool 31 greatest circles is complete and the magnetic resistance effect is irrelevant, do not need in design to consider to be designed to this spacing distance too little, even there is foreign matter to embed in this spacing distance, do not have yet and block situation, can reduce the fault probability.

Four, when using a period of time Hou, even inner spring 50 or outer spring 80 produce elastic fatigue, by what cable wire 210 is disk body 60 to be produced to draw pull or discharge, utilize two guide rods 91 of location-plate 90 both sides and the guide function that guide hole 64 is produced, can make disk body 60 drawn by cable wire 210 to pull or discharge comparatively average, and can prevent that disk body 60 from producing skewness, and because of having sizable spacing distance between flywheel 30 shrinkage pools, 31 inner ring surfaces and disk body 60 outer peripheral edges, also can avoid disk body 60 outer peripheral edges and flywheel 30 to produce collision friction, prevent the generation of noise.

Five, this magnetic conductive board 40 is made tabular, does not have the problem of out of roundness when manufacturing, assembly, so manufacturing is processed, assembly is easy.

Claims

1. exercycle magnetic control flywheel gear, comprise a wheel shaft, a coaxial ferrous flywheel and the axially movable disk body of this flywheel relatively that is arranged on this wheel shaft, this flywheel is provided with a shrinkage pool, and this disk body is set in this shrinkage pool, this disk body and flywheel symmetric position place are set with respectively and can make flywheel produce magnetic resistance to reach several magnet and the magnetic conductive board of the magnetic control resistance of motion, it is characterized in that: the bottom surface, shrinkage pool hole of this flywheel is set with several magnetic conductive boards, and be equipped with several magnet on the side of this bottom surface, disk body symmetry what shrinkage pool hole, and be formed with a gap between a magnetic face of magnet and magnetic conductive board.

2. exercycle magnetic control flywheel gear as claimed in claim 1 is characterized in that: a sheathed spring on the wheel shaft between this disk body and bottom surface, shrinkage pool hole.

3. exercycle magnetic control flywheel gear as claimed in claim 1 is characterized in that: this disk body outside is provided with a location-plate, and these location-plate two ends respectively are provided with one guide rod of slip socket with the disk body symmetric position.

4. exercycle magnetic control flywheel gear as claimed in claim 1 is characterized in that: this disk body inner side surface is provided with four groups of draw-in grooves that radially extend, a solid irony stator in draw-in groove, and this magnet is fixed on this stator.