CN203264144U

CN203264144U - Resistance power generation mechanism of bicycle training device

Info

Publication number: CN203264144U
Application number: CN 201320182522
Authority: CN
Inventors: 蔡孟杰; 张友铭
Original assignee: JD Components Co Ltd
Current assignee: JD Components Co Ltd
Priority date: 2013-04-12
Filing date: 2013-04-12
Publication date: 2013-11-06
Anticipated expiration: 2023-04-12

Abstract

The utility model discloses a resistance power generation mechanism of a bicycle training device. The resistance power generation mechanism of the bicycle training device comprises a mandrel base, a mandrel fixed on the mandrel base, a resistance wheel and a resistance power generation unit, wherein the mandrel is sleeved with the resistance wheel, the resistance power generation unit comprises a hollow shell body, an iron core, a plurality of coil assemblies and a magnet, the hollow shell body is arranged on the mandrel, and is connected with the resistance wheel, the iron core is arranged on the mandrel, is arranged in the hollow shell body, and is provided with a plurality of magnetic resistance portions, each coil assembly can be wound on the iron core, and the magnet is fixed in the hollow shell body and corresponds to the magnetic resistance portions of the iron core so that the magnet can carry out movement relative to the coil assemblies through rotation of the hollow shell body. Due to the fact that magnetic flux changes, each coil assembly can generate induced current, the induced current can generate a reversed magnetic field on the magnetic resistance portions of the iron core at the same time, and the magnetic resistance effect can be achieved.

Description

The resistance generator structure of bicycle exerciser

Technical field

The utility model is relevant for a kind of bicycle exerciser, espespecially a kind of resistance generator structure of bicycle exerciser.

Background technology

In simple terms, general bicycle exerciser is mainly to utilize a resistance wheel to contact with the trailing wheel of bicycle, as the rider, pedal is trampled and when driving trailing wheel and rotating, can be rotated by the driven in synchronism resistance wheel, and the resistance that provides by resistance wheel is to obtain the effect of fitness training.

Yet, the resistance of resistance wheel source be mainly utilize motor originally design and wherein coil groups after the coiling end forms short circuit, can allow the rotor of motor have in the running resistance to produce in cold situation, this measure just consumes one's strength concerning the rider and loses the effect of training, and can only have a kind of Resistance Value can be for training.

The utility model content

Main purpose of the present utility model is to provide a kind of resistance generator structure of bicycle exerciser, and it can provide outside different section dampings, has simultaneously electricity generate function.

Resistance generator structure of the present utility model includes a spindle seat, an axle, a resistance wheel, and a resistance generator unit.this spindle seat is fixed at the two ends of this axle, this resistance wheel rotatably is sheathed on axle, this resistance generator unit has a hollow housing, one iron core, a plurality of coil groups, an and magnet, this hollow housing rotatably is sheathed on this axle and is connected in an end of this resistance wheel, make this hollow shell physical efficiency along with this resistance wheel rotates, this iron core is sheathed to be fixed in this axle and to be positioned at this hollow housing, and have a plurality of magnetic resistance sections that are radial arrangement, this magnetic resistance section radially extending towards this hollow housing along this axle respectively, respectively this coil groups is set around this a magnetic resistance section of this iron core, this magnet is fixed in the internal face of this hollow housing and corresponding to the magnetic resistance section of this iron core, make this magnet can pass through relatively respectively this coil groups start of rotation of this hollow housing.

The beneficial effects of the utility model: respectively this coil can produce because of the variation of magnetic flux an induced-current that can be used as generating use, respectively this induced electricity fails to be convened for lack of a quorum in magnetic resistance section's generation one opposing magnetic field of this iron core, to coordinate this magnet, this resistance wheel is produced damping.

Description of drawings

Fig. 1 is for using the stereogram of bicycle exerciser of the present utility model.

Fig. 2 figure is stereogram of the present utility model.

Fig. 3 figure is sectional perspective exploded view of the present utility model.

Fig. 4 figure is longitudinal sectional view of the present utility model.

Fig. 5 figure is partial lateral cutaway view of the present utility model.

[symbol description]

10 bicycle exercisers

12 bracing frames

14 clampers

16 resistance generator structures

20 holders

22 support arms

30 axles

40 resistance wheels

42 friction pulleys

44 flywheels

46 caulking grooves

50 resistance generator units

51 hollow housings

512,513 side covers

514 interior retainer rings

516 louvres

517 diversion divisions

518 embedding parts

52 iron cores

522 magnetic resistance sections

53 bobbins

532 winding sections

54 coil groups

55 magnet

56 axle pieces

57,58,59 coils

60 controllers

62 control lines

The specific embodiment

See also Fig. 1, be the bicycle exerciser 10 that uses resistance generator structure 16 of the present utility model, bicycle exerciser 10 shown in figure consists predominantly of a bracing frame 12 and a clamper 14, bracing frame 12 is arranged on ground, clamper 14 is located at the top of bracing frame 12, wheel shaft in order to the trailing wheel (not shown) of fixing bicycle makes trailing wheel unsettled.Please coordinate Fig. 2 and Fig. 3 reference, resistance generator structure 16 of the present utility model includes a holder 20, an axle 30, a resistance wheel 40, and a resistance generator unit 50.

Holder 20 is arranged on ground and is set up in a side of bracing frame 12, and has two relative support arms 22, uses for the two ends of axle 30 and fixes.

Resistance wheel 40 rotatably is sheathed on axle 30, and has a friction pulley 42 and a flywheel 44, and friction pulley 42 is in order to the trailing wheel of butt bicycle, flywheel 44 is located between axle 30 and friction pulley 42, in order to the effect that provides inertia to rotate, and an end face of flywheel 44 has a caulking groove 46.

Please coordinate Fig. 3 to Fig. 5 reference, resistance generator unit 50 has a hollow housing 51, an iron core 52, a bobbin 53, a plurality of coil groups 54, and a magnet 55.Hollow housing 51 is sheathed on axle 30 rotationally, and have two side cover 512, the 513 and one interior retainer rings 514 that mutually dock, two side covers 512,513 end face have respectively a plurality of louvres 516, and, side cover 512 has more a plurality of diversion divisions 517 that adjoin each other with louvre 516, and in addition, the end face of side cover 512 protrudes out an embedding part 518, in the caulking groove 46 that is embedded in flywheel 44, interior retainer ring 514 is fixed between two side covers 512,513 internal face; Iron core 52 is fixed in axle 30 and is positioned at hollow housing 51 by an axle piece 56, and has a plurality of magnetic resistance sections that are radial arrangement 522, each magnetic resistance section 522 radially extending towards hollow housing 51 along axle 30; Bobbin 53 is sheathed on axle 30 and clamping iron core 52, and has a plurality of winding sections 532, one of them magnetic resistance section 522 of each corresponding iron core 52 in winding section 532; Each coil groups 54 is set around the magnetic resistance section 522 of iron core 52 and the winding section 532 of bobbin 53, and have three

coils

57,58,59 that the number of turn is different, three-winding 57,58,59 the number of turn are towards reducing gradually away from the direction of axle 30, what this need to remark additionally be, each

coil

57,58,59 is except number of turn difference, and wire diameter also can adopt not identical design according to actual needs with material; Magnet 55 be fixed in hollow housing 51 interior retainer ring 514 internal face and corresponding to the magnetic resistance section 522 of iron core 52.

please coordinate Fig. 4 and Fig. 5 reference, when the rider begins to drive bicycle and when forcing trailing wheel to rotate, resistance wheel 40 can begin to rotate by the CONTACT WITH FRICTION between friction pulley 42 and trailing wheel, and synchronize with the interlocking relation between hollow housing 51 by flywheel 44 in the process of rotating and drive hollow housing 51 rotations, thus, magnet 55 also can be along with relative each coil groups 54 starts of hollow housing 51, make each coil groups 54 produce an induced-current because of the variation of magnetic flux, each induced-current can be simultaneously in each magnetic resistance section's 522 generations of iron core 52 and an opposite polarity magnetic field of magnet 55, with the start that coordinates magnet 55, resistance wheel 40 is produced damping.On the other hand, in the process that hollow housing 51 rotates, the airflow design meeting of the diversion division 517 of side cover 512 provides the function as fan blade, can be with the cold air in the external world after the louvre 516 of side cover 512 sucks, by the louvre 516 of side cover 513, the hot-air of inside is discharged again, to provide each coil groups 54 good radiating effect.

in addition, resistance generator structure 16 of the present utility model also provides a controller 60, as shown in Figure 2, controller 60 connects resistance generator unit 50 by a control line 62, can control the short circuit combination collocation that produces faradic coil groups 54 for various riders, at any time adjust damping size for the user according to individual demand with the section of reaching various different damping, and the number of turn that produces faradic coil groups 54 is more, the opposing magnetic field that the magnetic resistance section 522 of iron core 52 produces is just stronger, the damping of resistance wheel 40 is also just larger, otherwise damping is less, to reach the convenient purpose of adjusting the damping size, that is to say, the utility model is a kind of resistance generator structure of the drop that can the high low resistance of customized design varies in size, can also control in addition the battery that the induced-current of a part of coil groups 54 wherein transfers to bicycle or bicycle accessories, with the use as charging.

To sum up institute is old, resistance generator structure 16 of the present utility model is by the start of magnet 55 relative each coil groups 54, not only can produce suitable damping, and the induced-current of each coil groups 54 can be used effectively, thereby just can increase rider's convenience in the use.

At last, the utility model is taken off disclosed composed component in embodiment in front, only for illustrating, is not the scope that limits this case, the alternative or variation of other equivalence element, and the claim that also should be this case contains.

Claims

1. the resistance generator structure of a bicycle exerciser is characterized in that including:

One spindle seat;

One axle is fixed in this spindle seat with its two ends;

One resistance wheel is sheathed on this axle rotatably; And

one resistance generator unit, has a hollow housing, one iron core, a plurality of coil groups, an and magnet, this hollow housing is sheathed on rotatably this axle and is connected in an end of this resistance wheel, this iron core is sheathed to be fixed in this axle and to be positioned at this hollow housing, and have a plurality of magnetic resistance sections that are radial arrangement, this magnetic resistance section radially extending towards this hollow housing along this axle respectively, respectively this coil groups is set around this a magnetic resistance section of this iron core, this magnet is fixed in the internal face of this hollow housing and corresponding to the magnetic resistance section of this iron core, make rotation that this magnet can be by this hollow housing and relatively respectively this coil groups start, this coil groups produces an induced-current in order to allow respectively.

2. the resistance generator structure of bicycle exerciser as claimed in claim 1, it is characterized in that, also include a controller, this controller connects this resistance generator unit by a control line, in order to controlling the damping size of different sections, and leave the interface that induced-current that this coil groups respectively produces transmits out.

3. the resistance generator structure of bicycle exerciser as claimed in claim 1 or 2, is characterized in that, respectively this coil groups has three-winding, and the number of turn of this three-winding is neither identical.

4. the resistance generator structure of bicycle exerciser as claimed in claim 3, is characterized in that, respectively the wire diameter of this coil is neither identical with material.

5. the resistance generator structure of bicycle exerciser as claimed in claim 3, is characterized in that, the number of turn of this three-winding is towards reducing gradually away from the direction of this axle.

6. the resistance generator structure of bicycle exerciser as claimed in claim 5, it is characterized in that, this generator unit also has a bobbin, this bobbin is sheathed on this axle and this iron core of clamping, and have a plurality of winding sections, respectively this winding section to this a magnetic resistance section that should iron core, is used for this coil groups winding.

7. the resistance generator structure of bicycle exerciser as claimed in claim 1 or 2, is characterized in that, this resistance wheel has a friction pulley and a flywheel, this flywheel connect this hollow housing and be located at this axle and this friction pulley between.

8. the resistance generator structure of bicycle exerciser as claimed in claim 7, it is characterized in that, this hollow housing has two side cover and interior retainer rings that mutually dock, wherein this side cover has an embedding part, in order to rabbet a caulking groove of this flywheel, in this, retainer ring is fixed between the internal face of this two side cover; This magnet is fixed in the internal face of retainer ring in this.

9. the resistance generator structure of bicycle exerciser as claimed in claim 8, is characterized in that, the end face of respectively this side cover of this hollow housing has respectively a plurality of louvres.

10. the resistance generator structure of bicycle exerciser as claimed in claim 9, is characterized in that, wherein this side cover of this hollow housing has a plurality of diversion divisions, and respectively this diversion division is in abutting connection with this louvre.