CN2759515Y - Magnetic controlled load device combined with adjustment driving mechanism and having electricity-generating function - Google Patents

Abstract

The utility model relates to a magnetic controlled load device combined with an adjustment driving mechanism and having electricity generating function, which comprises a flywheel center shaft sleeve, a micro generator, a magnetic controlled load device, an adjusting stator, an adjusting plate, an inner cover and an adjustment driving mechanism, wherein two bearings are arranged in the flywheel center shaft sleeve, an accommodating space is arranged in the inner side of a wheel surface, and a metal conductor is arranged on the inner periphery of the wheel surface; a fixed shaft penetrates through a flywheel, and a driving wheel is arranged on the outer side of the flywheel to drive the flywheel to rotate. The micro generator comprises a permanent magnet arranged on the flywheel shaft sleeve and a stator core which is arranged on the fixed shaft, the permanent magnet rotates with the flywheel and a rotor is formed corresponding to the stator core. The magnetic controlled load device comprises an accommodating groove arranged on the periphery of a shaft hole of an outer cover. The adjusting stator is composed of a circular arc-shaped magnet conductive plate and a permanent magnet, and a compression spring is arranged in the inner side of the adjusting stator; one end of the magnet conductive plate is provided with a pivotal shaft, and the other end is a free end which is provided with a dragline. The adjusting plate is provided with a rotating hole, the upper and the lower ends of the adjusting plate are provided with positioning grooves, and a circular arc-shaped tooth row is arranged on the plate. The inner cover is provided with a positioning hole and is combined with the outer cover by a screw, and the adjusting stator and the adjusting plate are positioned between the cover bodies. The adjustment driving mechanism is arranged on the inner cover, and the adjusting plate can be driven to rotate by selecting an electric mode or a manual mode.

Description

The magnetic control load device that has electricity generate function and combine with the adjustment driving mechanism

One, technical field

The utility model relates to body-building apparatus, relate in particular to a kind of with magnetic control load device and microgenerator and the complete monolithic entity of formation that combines of adjustment driving mechanism, and can take collocation respectively apart and use, can there be the magnetic control load device that has electricity generate function and combine that section is adjusted the load resistance effect continuously thereby reach by magnetic density variation electronic or manual mode regulation and control load device with the adjustment driving mechanism.

Two, background technology

United States Patent (USP) discloses a kind of load device (MAGNETIC ADJUSTABLELOADING DEVICE WIHE EDDY CURRENT) for No. 5711404, and it is a kind of eddy current type resistance that utilizes field variation and form, as the mode of brake (load); Because it is the magnetic control state of noncontact, and easy and micro computer line, so the market acceptance is quite high.Its basic principle is to utilize conductor to place change magnetic flux, then produce a counter electromotive force on the local closed circuit in conductor, produce so-called eddy current (eddycurrent), the magnetic action that the flow direction of this eddy current is set up must be in contrast to the original magnetic flux change direction that produces this electric current, and it is required that square being directly proportional of the size of being learnt this magnetic force by Max-well ' sEq and magnetic density, this magnetic force then can be fit to the brake (load) of sports equipment.

Patent such as No. 5879273, No. 5437353, No. 5096024, No. 5072930, No. 5236069, No. 5586624 and No. 4775145 that the patent of this type still includes United States Patent (USP).

Yet, though eddy current type magnetic control load device has advantage and characteristic, but its load partly as with permanent magnet as magnetic field sources, then be difficult to combine with extraneous data signal and reach purpose computerized, datumization, unless be equipped with motor and motor controller in addition, change the relative position of magnet and conductor, or utilize solenoid and additional power source to overcome this difficulty, but a lot of occasions are used the mode of this additional power source, there is inconvenience, thereby reduce its practicality greatly, so generally be used in the body-building apparatus than low price; But accuracy and utility function are more and more paid attention in the development of body-building apparatus at present, therefore need could realize by computer dataization; In addition, have the body-building apparatus of datumization function, need be equipped with parts such as instrument and controller, and these parts need use power supply, therefore still needing will increase a lot of puzzlements and limitation so again by the outside supply.

In addition, No. 6084325 patent of the U.S. discloses a kind of " BRAKE DEVICE WITH ACOMBINATION OF POWER-GENERATING AND EDDY CURRENTMAGNETIC RESISTANCE ", it is to utilize the generating of outward rotation type flywheel, supply provides a predetermined eddy current magnetic resistance by this brake is unshakable in one's determination to flywheel at brake iron core (Brake Core) power supply in the flywheel outside.This type load device generated energy abundance except that can supplying brake power supply unshakable in one's determination, also can provide needed electric currents such as strong equipment control instrument; But, its architecture design that is located at the flywheel outside unshakable in one's determination of will braking is the demand at large-scale body-building apparatus, if when being installed on the small-sized body-building apparatus, it is excessive or overweight then all can to seem on build and the weight, and be difficult for the space utilization, and its cost height, so can not be applicable to various body-building or rehabilitation material.

For this reason, the utility model creator is at above-mentioned shortcoming, and active research is improved, in the hope of a kind of simple structure can be provided, volume is light and handy and can produce small-sized electric power, as the magnetic control load device of automatic controlled vortex flow magnetic resistance electric power.

Three, utility model content

Main purpose of the present utility model is to overcome the above-mentioned shortcoming that existing product exists, and provide a kind of have electricity generate function and with adjust the magnetic control load device that driving mechanism combines, be to be installed in the eddy current magnetic control load device that is used for the controlled motion resistance on body-building or the rehabilitation material, can fully use the space, under the prerequisite that does not increase flywheel and internals volume, with a rotor and the ingenious magnetic control load device central authorities that are located at of stator, and the permanent magnet that constitutes rotor is located on the interior ring of flywheel, when flywheel is rotated, promptly constitute the form of a microgenerator, can utilize the power supply that self produces, supply with a fractional motor required electric power, by the variation of magnetic density between this fractional motor control flywheel and device, reaching does not have the effect that section is adjusted load resistance continuously.

Another purpose of the present utility model provides a kind of eddy current magnetic control load device, and this magnetic control load device volume is light and handy, can make things convenient for spatial design, is useful on the small-sized body-building apparatus, has the low effect of cost.

Another purpose of the present utility model provides a kind of eddy current magnetic control load device, the magnetic density control of this magnetic control load device, can pass through the electronic control of fractional motor, also can manually control, have electronic and manually can take the effect that collocation is used respectively apart by a dragline.

The purpose of this utility model is realized by following technical scheme.

The magnetic control load device that the utlity model has electricity generate function and combine with the adjustment driving mechanism, it is characterized in that, comprise: (a) flywheel, be provided with the clutch shaft bearing and second bearing in its central axle sleeve, the wheel face inboard is an opening, make the inner accommodation space that forms, the wheel face inner peripheral is provided with metallic conductor; (b) fixed axis passes flywheel, and two ends are provided with screw thread; (c) drive is positioned at the flywheel outside and the rotation of drive flywheel; (d) miniature power generating device comprises: a permanent magnet and that is located at flywheel axle sleeve inboard is located at the stator core of fixed axis, and this permanent magnet rotates with flywheel, the relative stator rotor form that forms unshakable in one's determination; (e) a magnetic control load device comprises: (1) one outboard cover, the relative miniature power generating device of its central axis hole periphery form a storage tank for its installing to convex; Adjust stator for (2) one groups, be in opposite directions the permanent magnet that the corresponding circular arc magnetic conductive board that sets and outer rim be provided with and constitute by a pair of, its inboard is provided with the compression spring, and these two magnetic conductive board one ends are the pivotal axis that is positioned at outboard cover, the other end forms mobilizable free end, and the pivotal axis of two magnetic conductive boards system is, and the diagonal angle sets in opposite directions and free end is provided with a drag-line; (3) one adjust plate, and its central authorities are provided with the commentaries on classics hole that is nested with in the storage tank outer peripheral edges, and its top and bottom are these two drag-lines that the magnetic conductive board free end is set relatively, be provided with the locating slot that connects usefulness, and plate body one side are provided with the tooth row of circular arc; (4) one inside cover, cooperate with outboard cover, its central authorities are provided with a locating hole that is set in storage tank, and combine with outboard cover by several screws, adjustment stator and adjustment plate are positioned between two lids, and this inside cover has installed a through hole with respect to the round-arced tooth ranking; (f) one adjust driving mechanism, be located on the inside cover, the electronic or manual mode of selective use and drive and adjust plate and rotate.

The aforesaid magnetic control load device that has electricity generate function and combine with the adjustment driving mechanism, wherein adjusting driving mechanism is the electrodynamic type structure, comprise a fractional motor, reduction box and be convexly equipped with driven wheel in the reduction box bottom surface, be locked in the inside cover surface by screw, this driven wheel passes the inside cover through hole and then is meshed with the circular arc tooth row of adjusting plate.

The aforesaid magnetic control load device that has electricity generate function and combine with the adjustment driving mechanism, wherein adjusting driving mechanism is the hand structure, comprise that one is located at the convex clip groove of adjusting the plate surface, this convex clip geosynclinal convex stretches out the set arc groove of inside cover relative position, connects a control on this convex clip groove and adjusts the dragline that plate rotates.

Aforesaid have electricity generate function and with adjust the magnetic control load device that driving mechanism combines, wherein miniature power generating device comprises that the voltage that stator core is produced supplies with the external wire of the required dc source of driving mechanism fractional motor through AC/DC converter.

The aforesaid magnetic control load device that has electricity generate function and combine with the adjustment driving mechanism, wherein the permanent magnet of miniature power generating device is fixed on a ring body inner peripheral that is convexly equipped with at axle sleeve, described stator core comprises a pedestal, and this pedestal is locked in outboard cover storage tank inside.

The aforesaid magnetic control load device that has electricity generate function and combine with the adjustment driving mechanism, wherein drive is a belt pulley, connects a belt on it, is provided with one the 3rd bearing between the axis hole outside and fixed axis, the inboard installing of axis hole one unilateral bearing.

Four, description of drawings

Fig. 1 is the utility model perspective view.

Fig. 2 is the utility model stereochemical structure decomposing schematic representation.

Fig. 3 is the utility model magnetic control load device stereochemical structure decomposing schematic representation.

Fig. 4 is the utility model magnetic control load device planar structure schematic diagram.

Fig. 5 is a 5-5 section cross-sectional schematic shown in Figure 4.

Fig. 6 analyses and observe intention for 6-6 section shown in Figure 5.

Fig. 7 is that view is implemented in magnetic control adjustment shown in Figure 6.

Critical piece label declaration among the figure: 10 flywheels, 11 axle sleeves, 12 clutch shaft bearings, 13 second bearings, 14 wheel faces, 15 accommodation spaces, 16 metallic conductors, 20 fixed axis, 21 screw threads, 30 drives, 31 the 3rd bearings, 32 unilateral bearings, 33 belt pulleys, 40 miniature power generating devices, 41 permanent magnets, 411 ring bodies, 42 stator cores, 421 coils, 422 pedestals, 43 leads, 50 magnetic control load devices, 51 outboard cover, 511 storage tanks, 52 adjust stator, 521 magnetic conductive boards, 522 permanent magnets, 523 compression springs, 524 pivotal axis, 525 free ends, 526 drag-lines, 53 adjust plate, 531 change the hole, 532 locating slots, 534 tooth rows, 535 convex clip grooves, 54 inside cover, 541 locating holes, 542 screws, 543 through holes, 544 arc grooves, 55 driving mechanisms, 551 fractional motors, 552 reduction boxes, 553 driven wheels, 554 screws, 56 draglines, 60 AC/DC converters, 70 controllers.

Five, the specific embodiment

Consult shown in Figure 1ly, the utility model mainly includes: a flywheel 10, a fixed axis 20, a drive 30, a belt 33, that drives drive are located at the miniature power generating device 40 at flywheel 10 centers and are nested with magnetic control load device 50 at flywheel 10 accommodation spaces.

Consult Fig. 2, shown in Figure 5, be provided with a clutch shaft bearing 12 and second bearing 13 (as shown in Figure 5) in these flywheel 10 central axle sleeves 11, its wheel face 14 inboards are opening, make the inner accommodation space 15 that forms, and the wheel face inner peripheral is provided with metallic conductor 16; As shown in Figure 5; one drive 30 is positioned at flywheel 10 outsides; be used to drive this flywheel 10; it can be set as the form with flywheel 10 interlocks; one preferred embodiment is that the axis hole outside and 20 of fixed axis are provided with one the 3rd bearing 31; the axis hole inboard drives this flywheel 10 by a unilateral bearing 32 forwards; drive 30 herein can be belt pulley or other types driving member; graphic is belt pulley; and connect a belt 33; when belt 33 and body-building apparatus (figure does not show) when being connected; promptly driving belt pulley 30 rotates on fixed axis 20; utilizing these unilateral bearing 32 forwards to drive flywheel 10 rotates; because flywheel 10 has inertia force, therefore when body-building apparatus did not drive belt pulley 30 again, this flywheel 10 still can rotate on unilateral bearing 32 and clutch shaft bearing 12; to protect the user on some types of exercise equipment, can not be subjected to the reverse drive of flywheel 10 inertia force and cause injured problem.

Consult Fig. 2, shown in Figure 5, this miniature power generating device 40 comprises that a permanent magnet 41 and that is located at axle sleeve 11 inboards is located at the stator core 42 of fixed axis 20, the one preferred embodiment, be that permanent magnet 41 is fixed on an inner peripheral that is convexly equipped with at axle sleeve 11 ring bodies 411,42 of this stator cores are located on the pedestal 422 and are arranged with coil 421, and this pedestal 422 is locked in storage tank 511 inside at magnetic control load device 50 centers.This permanent magnet 41 rotates with flywheel 10, relative stator unshakable in one's determination 42 forms a rotor form and constitutes magnetic circuit, make coil 421 produce electric power, this is the operation principle of permanent magnet alternator, and the utility model uses this principle, with the power source of flywheel 10 as alternative electric generation, the voltage that stator core 42 is produced, through external wire 43 and the AC/DC converter 60 that arrives, can supply the utility model magnetic control load device 50 required electric power, reach electronic load control.

The structure of this magnetic control load device 50 is consulted Fig. 3 to shown in Figure 6, and it includes: an outboard cover 51, and axis of centres hole peripheral inwardly is convexly equipped with formation one storage tank 511 and supplies its installing with respect to aforementioned miniature power generating device 40; Adjust stator 52 for one group, be in opposite directions the corresponding circular arc magnetic conductive board 521 that sets by a pair of, outer rim is provided with permanent magnet 522 and constitutes, its inboard is provided with compression spring 523, and these two magnetic conductive board 521 1 ends are the pivotal axis 524 that is positioned at outboard cover 51, the pivotal axis 524 that the other end forms 525, two magnetic conductive boards 521 of mobilizable free end is that the diagonal angle sets in opposite directions and free end 525 is provided with a drag-line 526; One adjusts plate 53, its central authorities are provided with the commentaries on classics hole 531 that can be nested with in storage tank 511 outer peripheral edges, the drag-line 526 that upper and lower end is set with respect to the free end 525 of these two magnetic conductive boards 521 be provided with the locating slot 532 that connects usefulness, and plate body one side is provided with the tooth row 534 of circular arc; One inside cover 54, cooperate with outboard cover 51 and to be set as, its central authorities are provided with a locating hole 541 that can be set in storage tank 511, and by the number screws 542 combine with outboard cover 51, so that this adjustment stator 52 and adjustment plate 53 are positioned between two lids, and this inside cover 54 is provided with a through hole 543 with respect to these circular arc tooth row 534 positions; One electronic adjustment driving mechanism 55, comprise a fractional motor 551, reduction box 552 and be convexly equipped with driven wheel 553 in reduction box 552 bottom surfaces, and being locked in inside cover 54 surfaces by screw 554, this driven wheel 553 passes the through hole 543 of inside cover 54 and then is meshed with these adjustment plate 53 circular arc tooth rows 534.

Moreover, the utility model also can select to use manual adjusting style, promptly be provided with a convex clip groove 535 on adjustment plate 53 surfaces of this magnetic control load device 50, convex clip groove 535 protrudes out the set arc groove 544 of inside cover 54 relative positions, and on this convex clip groove 535, connect the dragline 56 that plate 53 rotations are adjusted in a control, manually adjust driving mechanism to constitute one.

So the utility model can freely select to use electronic adjustment driving mechanism 55, or select to implement with manual adjustment driving mechanism.Further, the permanent magnet 41 of this miniature power generating device 40 is fixed on ring body 411 inner peripherals that are convexly set in axle sleeve, and this stator core 42 also can comprise a pedestal 422, and this pedestal 422 is locked in storage tank 511 inside of outboard cover 51.

Consult Fig. 5 again, shown in Figure 6, the utility model is by above-mentioned formation, when flywheel 10 rotates, miniature power generating device 40 can produce power supply, supplying with fractional motor 551 uses, and adjust plate 53 by driven wheel 553 drives of output and carry out an angular deflection, as shown in Figure 7, when adjusting the clockwise deflection of plate 53, on it, the free end 525 that the drag-line 526 of lower end promptly drives two circular arc magnetic conductive boards 521 is that displacement is carried out at the center with pivotal axis 524 respectively, and then the air gap D of change permanent magnet 522 and flywheel 10 inner edge metallic conductors 16, cause magnetic density to change, can reach the continuous purpose of adjusting the motion load resistance of the section of there is no automatically.

Principal character of the present utility model is, utilization miniature power generating device 40 is located at the design of magnetic control load device 50 central authorities, do not increase original volume fully, and through the experiment test result, the electric power that miniature power generating device 40 is produced is enough supplied with fractional motor 551 and is used, even can still can supply with an instrument or controller 70 uses as shown in Figure 5, without external power supply, reach self-centered effect.

Another feature of the present utility model is that this adjustment plate 53 also can connect a dragline 56, when not using electronic adjustment driving mechanism 55 control loads, can directly change the deflection of adjusting plate 53 with manual control dragline 56, reaches the effect of a machine double-purpose.

So, the utility model is with magnetic control load device and TRT and adjust that driving mechanism is ingenious to be combined as a whole, and can select electronic or manually control the occupation mode that resistance is adjusted, really has the better practicability energy, and the structure that the utility model disclosed, also for what prior art did not have, having can be for the value of industry utilization, meet the utility application important document, file an application in accordance with the law.

The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.

Claims (6)

1, a kind of magnetic control load device that has electricity generate function and combine with the adjustment driving mechanism is characterized in that, comprising: (a) flywheel, be provided with the clutch shaft bearing and second bearing in its central axle sleeve, the wheel face inboard is an opening, makes the inner accommodation space that forms, and the wheel face inner peripheral is provided with metallic conductor; (b) fixed axis passes flywheel, and two ends are provided with screw thread; (c) drive is positioned at the flywheel outside and the rotation of drive flywheel; (d) miniature power generating device comprises: a permanent magnet and that is located at flywheel axle sleeve inboard is located at the stator core of fixed axis, and this permanent magnet rotates with flywheel, the relative stator rotor form that forms unshakable in one's determination; (e) a magnetic control load device comprises: (1) one outboard cover, the relative miniature power generating device of its central axis hole periphery form a storage tank for its installing to convex; Adjust stator for (2) one groups, be in opposite directions the permanent magnet that the corresponding circular arc magnetic conductive board that sets and outer rim be provided with and constitute by a pair of, its inboard is provided with the compression spring, and these two magnetic conductive board one ends are the pivotal axis that is positioned at outboard cover, the other end forms free end, and the pivotal axis of two magnetic conductive boards system is, and the diagonal angle sets in opposite directions and free end is provided with a drag-line; (3) one adjust plate, and its central authorities are provided with the commentaries on classics hole that is nested with in the storage tank outer peripheral edges, and its top and bottom are these two drag-lines that the magnetic conductive board free end is set relatively, be provided with the locating slot that connects usefulness, and plate body one side are provided with the tooth row of circular arc; (4) one inside cover, cooperate with outboard cover, its central authorities are provided with a locating hole that is set in storage tank, and combine with outboard cover by several screws, adjustment stator and adjustment plate are positioned between two lids, and this inside cover has installed a through hole with respect to the round-arced tooth ranking; (f) one adjust driving mechanism, be located on the inside cover.

2, the magnetic control load device that has electricity generate function and combine according to claim 1 with the adjustment driving mechanism, it is characterized in that, described adjustment driving mechanism is the electrodynamic type structure, comprise a fractional motor, reduction box and be convexly equipped with driven wheel in the reduction box bottom surface, be locked in the inside cover surface by screw, this driven wheel passes the inside cover through hole and then is meshed with the circular arc tooth row of adjusting plate.

3, the magnetic control load device that has electricity generate function and combine according to claim 1 with the adjustment driving mechanism, it is characterized in that, described adjustment driving mechanism is the hand structure, comprise that one is located at the convex clip groove of adjusting the plate surface, this convex clip geosynclinal convex stretches out the set arc groove of inside cover relative position, connects a control on this convex clip groove and adjusts the dragline that plate rotates.

4, the magnetic control load device that has electricity generate function and combine according to claim 1 with the adjustment driving mechanism, it is characterized in that described miniature power generating device comprises that the voltage that stator core is produced supplies with the external wire of the required dc source of driving mechanism fractional motor through AC/DC converter.

5, the magnetic control load device that has electricity generate function and combine according to claim 1 with the adjustment driving mechanism, it is characterized in that, the permanent magnet of described miniature power generating device is fixed on a ring body inner peripheral that is convexly equipped with at axle sleeve, described stator core comprises a pedestal, and this pedestal is locked in outboard cover storage tank inside.

6, the magnetic control load device that has electricity generate function and combine according to claim 1 with the adjustment driving mechanism, it is characterized in that described drive is a belt pulley, connect a belt on it, be provided with one the 3rd bearing between the axis hole outside and fixed axis, the inboard installing of axis hole one unilateral bearing.

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