CN201044408Y

CN201044408Y - Curve outward type motor

Info

Publication number: CN201044408Y
Application number: CNU2007201472382U
Authority: CN
Inventors: 张式银
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-05-16
Filing date: 2007-05-16
Publication date: 2008-04-02
Anticipated expiration: 2017-05-16

Abstract

The utility model relates to an outward turning type motor, in particular to an outward turning type motor for sports apparatus, consisting of a support shaft, a front shroud, a rear shroud, a casing and an outer carbon brush device, wherein, a set of permanent magnets is arranged on the inner margin of the casing to form an outer rotator configuration, and the support shaft is provided with a set of iron core coils and a collector to form an inner stator configuration. As a carbon brush holder on the rear shroud abuts against the outer carbon brush device for connection and conduction, the rotating casing has an effect equal to that of a revolving flywheel, thereby particularly improving the driving torsion of a pulley and accordingly enabling the utility model to have the advantages of easy manufacture and assembly and reduced cost.

Description

The outward rotation type motor

Technical field

The utility model relates to a kind of outward rotation type motor, is meant the outward rotation type motor of a kind of sports equipment (as treadmill) usefulness especially.

Background technology

The motor of general motion equipment (as treadmill) usefulness, in order to strengthen the torsion of belt pulley transmission, regular meeting turns round inertia to increase it, but can increase manufacturing cost relatively at the additional flywheel of motor shaft one end; So industry is at this problem, a kind of outward rotation type motor is proposed, as Taiwan patent M257054 number promptly is (calling preceding case in the following text), it mainly utilizes the weight of motor case body heavier, with external rotor as when revolution, make to produce the torsion that is equal to flywheel effect, so effectively save material cost; Yet the case disadvantage is promptly complicated in the combinations produce process of assembly before this, must be dependent on artificial combination, for example the connecting to connect and lead of lead-in wire, and iron-core coil group be installed in shell inner edge, very time-consuming taking a lot of work, and be difficult for automatic volume production, and processing cost can be in any more.

Summary of the invention

In view of this, the purpose of this utility model is that a kind of outward rotation type motor is being provided, and to reach the torsion of belt elevator wheel transmission, assembles purpose easy and progressive benefits such as reducing cost with processing again.

For achieving the above object, the technical solution adopted in the utility model is:

A kind of outward rotation type motor, it is characterized in that, include: a back shaft, its first and second end is to be installed in respectively on the pack support, its stage casing is provided with an iron-core coil group and a commutator, and constitute an internal stator kenel, and the lead-in wire of described iron-core coil group then is connected with the commutator of one side; One front cover is to have a clutch shaft bearing seat hole, is arranged with a clutch shaft bearing group in it, and passes for first end of described back shaft, and the outside of corresponding described clutch shaft bearing seat hole site on the described front cover convexes with a belt pulley; One back cover cap, be to have one second bearing saddle bore, be arranged with one second bearing group in it, and pass for its second end of described back shaft, and cover cap inboard, described back is provided with at least two group carbon brush holders, and described carbon brush holder is to form with described commutator to lead against connecing; One shell be to be installed between described front cover and the back cover cap and with its synchronous rotation, and edge is provided with a group permanent-magnet within it, is corresponding with described iron-core coil group, and constitutes an external rotor kenel; One outer carbon brush configuration is made up of a copper sheathing group and a carbon brush group, and described copper sheathing group is provided in a side of the outside of described back cover cap, and described carbon brush group is to be installed on the described support, and leads against connecing with described copper sheathing group formation.

Compared with prior art, adopt the advantage that the utlity model has of technique scheme to be: to rely on described back carbon brush holder of cover cap and leading of described outer carbon brush configuration against connecing, described shell is had when rotating be equal to general flywheel gyroscopic effects, again progressive benefit such as tool assembling handling ease and reduction manufacturing cost.

Description of drawings

Fig. 1 is a stereogram of the present utility model;

Fig. 2 is generalized section of the present utility model (one);

Fig. 3 is generalized section of the present utility model (two);

Fig. 4 is partial perspective view of the present utility model (one);

Fig. 5 is generalized section of the present utility model (three);

Fig. 6 is partial perspective view of the present utility model (two).

Description of reference numerals: 1-back shaft; The 5-shell; 11-first end; 12-second end; 2-iron-core coil group; The 21-commutator; The 211-lead-in wire; The 3-front cover; 31-clutch shaft bearing seat hole; 32-clutch shaft bearing group; The 33-belt pulley; Cover cap behind the 4-; 41-second bearing saddle bore; 42-second bearing group; 43,44-carbon brush holder; The 5-shell; The 51-permanent magnet; The outer carbon brush group of 6-; 61,61 '-copper sheathing group; 611,611 '-the first copper sheathing; 612,622 '-the second copper sheathing; 613-dividing plate seat; The 6130-dividing plate; 62,62 '-carbon brush group; 621,621 '-the first carbon brush holder; 622,622 '-the second carbon brush holder; A-outward rotation type motor; The B-support; S1, S2-elastic parts.

Embodiment

At first seeing also Fig. 1～shown in Figure 3, is outward rotation type motor A of the present utility model, and it includes:

One back shaft 1, its first end 11, second end 12 are to be installed in respectively on the pack support B, its stage casing is provided with an iron-core coil group 2 and a commutator 21, and constitutes an internal stator kenel, and 211 in the lead-in wire of described iron-core coil group 2 is connected with the commutator 21 of one side;

One front cover 3, be to have a clutch shaft bearing seat hole 31, it is the sheathed of a ccontaining clutch shaft bearing group 32, and passes for described back shaft 1 its first end 11, and the outside of 31 positions, corresponding described clutch shaft bearing seat hole on the described front cover 3 convexes with a belt pulley 33;

One back cover cap 4, be to have one second bearing saddle bore 41, it is that ccontaining one second bearing group 42 is sheathed, and passes for described back shaft 1 its second end 12, and the inboard of described back cover cap 4 is provided with at least two group

carbon brush holders

43,44, is to form with described commutator 3 to lead against connecing;

One shell 5 is to be installed between described front cover 3 and the back cover cap 4, and with its synchronous rotation, and edge is provided with a group permanent-magnet 51 within it, is corresponding with described iron-core coil group 2, and constitutes an external rotor kenel;

One outer carbon brush configuration 6 is made up of a copper sheathing group 61 and a carbon brush group 62, and described copper sheathing group 61 is provided in a side of the outside of described back cover cap 4, and described carbon brush group 62 is to be installed in described support B, and leads against connecing with described copper sheathing group 61 formation.

Above-mentioned again copper sheathing group 61 of the present utility model is to include one first copper sheathing 611, one second copper sheathing 612 and a dividing plate seat 613, utilizes the dividing plate 6130 of described dividing plate seat 613, and described first copper sheathing 611 and second copper sheathing 612 are done the insulation isolation.

Above-mentioned again described carbon brush group 62 of the present utility model is to include one first carbon brush holder 621 and one second carbon brush holder 622.

Rely on the combination of said modules, during the utility model start, power supply just, negative current respectively with described first carbon brush holder 621, second carbon brush holder 622 connects leads, wherein said first carbon brush holder 621 is the elastic force ejections that are subjected to an elastic parts S1, and first copper sheathing 611 of normality and described copper sheathing group 61 is against contacting conduction, and described second carbon brush holder 622 also is subjected to the elastic force ejection of an elastic parts S2, and second copper sheathing 612 of normality and described copper sheathing group 61 is against contacting conduction, described first copper sheathing 611 in addition, second copper sheathing 612 is because of being isolated not connected by the insulation of the dividing plate 6130 of described dividing plate seat 613, and its respectively with described back cover cap 4 in two groups of

carbon brush holders

43,44 connect and lead, described two groups of

carbon brush holders

43,44 lead against connecing with described commutator 3 formation again, when so making electric current after the energising deliver to iron-core coil group 2, the permanent magnet 51 of described shell 5 inner edges can turn round with its generation magnetomechanical effects, first end 11 of described back shaft 1, second end 12 is because of being to be separately fixed at described support B not rotate, and makes described back shaft 1 constitute an internal stator kenel; In addition, described outer carbon brush configuration 6 its carbon brush groups 62 also are installed in described support B and do not rotate; Relative described shell 5 is provided with permanent magnet 51 because of inner edge, when iron-core coil group 2 is passed through electric current, it produces revolution because of magnetomechanical effects, and constitute the kenel that an external rotor rotates, the front cover 3 of related and described shell 5 pin knot, back cover cap 4 and copper sheathing group 61 also revolution synchronously, because described shell 5 weight are heavier, can produce bigger inertia during revolution, revolution torsion with drive pulley 33, so to replace the installing of flywheel, so can reduce its cost, have easily assembled progressive benefit again.

Fig. 2～embodiment shown in Figure 4, be first embodiment of its outer carbon brush configuration 6 of the utility model, first copper sheathing 611 of wherein said copper sheathing group 61, second copper sheathing 612, be to dispose in vertical direction with back shaft 1, first carbon brush holder 621 of described relatively carbon brush holder 62 and second carbon brush holder 622 also dispose in vertical direction with described back shaft 1, and lead against connecing with described copper sheathing group 61.

Fig. 5, shown in Figure 6 again, be second embodiment of its outer carbon brush configuration of the utility model, first copper sheathing 611 ' of wherein said jacket casing group 61 ', second copper sheathing 612 ' are to dispose in horizontal direction with described back shaft 1, first carbon brush holder 621 ' of described relatively carbon brush group 62 ' and second carbon brush holder 622 ' also dispose in horizontal direction with described back shaft 1, and lead against connecing with described copper sheathing group 61 '.

In sum, but the utlity model has its belt pulley of lifter motion equipment revolution torsion, the processing assembling easily with can effectively reduce progressive benefit such as manufacturing cost.

More than explanation is just illustrative for the utility model, and it is nonrestrictive, those of ordinary skills understand, under the situation of the spirit and scope that do not break away from claim and limited, can make many modifications, variation or equivalence, but but all will fall within the claim restricted portion of the present utility model.

Claims

1. an outward rotation type motor is characterized in that, includes:

One back shaft, its first and second end are to be installed in respectively on the pack support, and its stage casing is provided with an iron-core coil group and a commutator, and constitutes an internal stator kenel, and the lead-in wire of described iron-core coil group then is connected with the commutator of one side;

One front cover is to have a clutch shaft bearing seat hole, is arranged with a clutch shaft bearing group in it, and passes for first end of described back shaft, and the outside of corresponding described clutch shaft bearing seat hole site on the described front cover convexes with a belt pulley;

One back cover cap, be to have one second bearing saddle bore, be arranged with one second bearing group in it, and pass for its second end of described back shaft, and cover cap inboard, described back is provided with at least two group carbon brush holders, and described carbon brush holder is to form with described commutator to lead against connecing;

One shell be to be installed between described front cover and the back cover cap and with its synchronous rotation, and edge is provided with a group permanent-magnet within it, is corresponding with described iron-core coil group, and constitutes an external rotor kenel;

One outer carbon brush configuration is made up of a copper sheathing group and a carbon brush group, and described copper sheathing group is provided in a side of the outside of described back cover cap, and described carbon brush group is to be installed on the described support, and leads against connecing with described copper sheathing group formation.

2. outward rotation type motor according to claim 1 is characterized in that: described copper sheathing group includes one first copper sheathing, one second copper sheathing and a dividing plate seat.

3. outward rotation type motor according to claim 1 is characterized in that: described carbon brush group includes one first carbon brush holder and one second carbon brush holder.