CN207542533U - A kind of automobile commutator - Google Patents

Abstract

The utility model discloses a kind of automobile commutators, including Insulating gap, commutator segment and insulating sleeve, the insulating sleeve includes spiral trim ring, mica sheet, V-arrangement mica ring, V-arrangement steel loop, steel bushing and resetting spring, the spiral trim ring is set on the right side of insulating sleeve by welding, the mica sheet is set on insulating sleeve upper left side by way of riveting, the V-arrangement steel loop is set on by way of inlaying on the downside of mica sheet, the V-arrangement mica ring is set on the right side of V-arrangement steel loop, the steel bushing is set on the downside of V-arrangement steel loop and V-arrangement mica ring by welding, the resetting spring is set on by way of inlaying in steel bushing.A kind of automobile commutator, the vibrations that a degree of can be solved the commutator by the resetting spring added and generate in use, so as to achieve the purpose that buffering, and be conducive to the service life of commutator.

Description

A kind of automobile commutator

Technical field

The utility model is related to technical field of automobile parts, specially a kind of automobile commutator.

Background technology

Commutator is in order to motor is allowed persistently to rotate down a former component on AC permanent magnet series-wound motor.Knot On structure, it is round that commutator is that several contact chips surround, and connects each tap on rotor respectively, and outside connects two electrodes and is known as Brush contacts, while only contacts two therein.Principle is, after coil is by electric current, understands under the action of permanent magnet, By attracting and repulsive force rotates, when it, which goes to, balance with magnet, led to electric line originally and correspond to contact on commutator Just separated with brush, and brush is connected to and meets on the corresponding contact of that group of coil for generating motive force, ceaselessly weighs in this way Go down again, dc motor is just turned over.If without the effect of commutator, that motor can only turn less than half-turn with regard to stuck , can only be as electric brake.

Some high-frequency surgery electric knifes in the market now, it is of high cost due to manufacturing, intolerant to abrasion, reduce making for commutator With the service life, maintenance cost is improved, and easily generate vibrations in use, easily generate connecting portion for a long time and slide loose phenomenon.

Utility model content

The purpose of this utility model is to provide a kind of automobile commutators, have the advantages of wear-resisting, solve background technology The problem of proposition.

To solve the above problems, the utility model provides following technical solution：A kind of automobile commutator is stitched including insulation Gap, commutator segment and insulating sleeve, the insulating sleeve include spiral trim ring, mica sheet, V-arrangement mica ring, V-arrangement steel loop, steel bushing And resetting spring；The spiral trim ring is set on the right side of insulating sleeve by welding, the side that the mica sheet passes through riveting Formula is set on insulating sleeve upper left side, and the V-arrangement steel loop is set on by way of inlaying on the downside of mica sheet, and the V-arrangement mica ring is set In on the right side of V-arrangement steel loop, the steel bushing is set on the downside of V-arrangement steel loop and V-arrangement mica ring by welding, the reset Spring is set on by way of inlaying in steel bushing.

As a kind of preferred embodiment of the utility model, the Insulating gap is set on commutator segment by way of cutting On, and Insulating gap length is 0.5mm, the Insulating gap depth is 0.2mm.

As a kind of preferred embodiment of the utility model, the commutator segment is carbon steel material, and the insulating sleeve leads to The mode inlayed is crossed to be set in commutator segment.

As a kind of preferred embodiment of the utility model, equipped with row by way of inlaying on the downside of the spiral trim ring Hole is pressed, the pressure releasing hole is uniformly set on insulating sleeve.

As a kind of preferred embodiment of the utility model, the steel bushing inner wall is equipped with lubrication by way of smearing Agent.

Compared with prior art, the beneficial effects of the utility model are as follows：

1st, the utility model smears lubricant by steel bushing inner wall, a degree of can reduce the automobile commutator Wear problem, it is simple in structure so as to which the service life of the commutator can not only be improved, and advantageously reduces maintenance cost, It is highly practical.

2nd, the utility model a degree of can solve the commutator in use by the resetting spring added The vibrations of generation, so as to achieve the purpose that buffering, and be conducive to the service life of commutator.

Description of the drawings

Fig. 1 is a kind of automobile commutator overall structure diagram of the utility model；

Fig. 2 is tube form schematic diagram in a kind of automobile commutator of the utility model.

In figure：1- Insulating gaps, 2- commutator segments, 3- insulating sleeves, 4- spiral trim rings, 5- mica sheets, 6-V shape mica rings, 7-V shape steel loops, 8- steel bushings, 9- resetting springs, 10- pressure releasing holes.

Specific embodiment

The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out Clearly and completely describe.

- 2 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of automobile commutator, including Insulating gap 1, Commutator segment 2 and insulating sleeve 3, the insulating sleeve 3 include spiral trim ring 4, mica sheet 5, V-arrangement mica ring 6, V-arrangement steel loop 7, steel Sleeve 8 and resetting spring 9；The spiral trim ring 4 is set on 3 right side of insulating sleeve by welding, and the mica sheet 5 passes through The mode of riveting is set on 3 upper left side of insulating sleeve, and the V-arrangement steel loop 7 is set on 5 downside of mica sheet, the V by way of inlaying Shape mica ring 6 is set on 7 right side of V-arrangement steel loop, and the steel bushing 8 is set on V-arrangement steel loop 7 and V-arrangement mica by welding 6 downside of ring, the resetting spring 9 are set on by way of inlaying in steel bushing 8；The Insulating gap 1 is by way of cutting On commutator segment 2, and 1 length of Insulating gap is 0.5mm, and 1 depth of Insulating gap is 0.2mm；The commutator segment 2 is carbon Steel material, the insulating sleeve 3 are set on by way of inlaying in commutator segment 2；Side on the downside of the spiral trim ring 4 by inlaying Formula is equipped with pressure releasing hole 10, and the pressure releasing hole 10 is uniformly set on insulating sleeve 3；8 inner wall of steel bushing is by way of smearing Equipped with lubricant, lubricant is smeared by 8 inner wall of steel bushing, the abrasion for being capable of a degree of reduction automobile commutator is asked Topic, so as to which the service life of the commutator can not only be improved, and advantageously reduces maintenance cost, simple in structure, practicability By force, the vibrations that a degree of can be solved the commutator by the resetting spring 9 added and generate in use, so as to not It can only achieve the purpose that buffering, and be conducive to the service life of commutator.

The 1- Insulating gaps of the utility model, 2- commutator segments, 3- insulating sleeves, 4- spirals trim ring, 5- mica sheets, 6-V shapes Mica ring, 7-V shapes steel loop, 8- steel bushings, 9- resetting springs, 10- pressure releasing holes, component are universal standard part or art technology The component that personnel know, structure and principle all can be learnt or by routine experiment side for this technology personnel by technical manual Method knows that the beneficial effects of the utility model smear lubricant by 8 inner wall of steel bushing, being capable of a degree of reduction automobile The wear problem of commutator so as to improve the service life of the commutator, and advantageously reduce maintenance cost, is tied Structure is simple, highly practical, and a degree of can solve the commutator by the resetting spring 9 added generates in use Vibrations, so as to can not only achieve the purpose that buffering, and be conducive to the service life of commutator.

Operation principle：In use, 3 internal pressure of insulating sleeve is discharged by pressure releasing hole 10, by steel bushing 8 Wall smears lubricant, a degree of the wear problem of the automobile commutator can be reduced, so that the commutation can not only be improved The service life of device, and maintenance cost is advantageously reduced, of simple structure and strong practicability can by the resetting spring 9 added A degree of vibrations for solving the commutator and generating in use, so as to achieve the purpose that buffering, and Be conducive to the service life of commutator.

The basic principle of the utility model and main feature and the advantages of the utility model has been shown and described above, for For those skilled in the art, it is clear that the utility model is not limited to the details of above-mentioned exemplary embodiment, and without departing substantially from this In the case of the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent requirements of the claims All changes are embraced therein.Any reference numeral in claim should not be considered as to the involved right of limitation It is required that.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in each embodiment can also be properly combined, forms those skilled in the art The other embodiment being appreciated that.

Claims (5)

1. a kind of automobile commutator, including Insulating gap（1）, commutator segment（2）And insulating sleeve（3）, it is characterised in that：It is described exhausted Edge sleeve（3）Including spiral trim ring（4）, mica sheet（5）, V-arrangement mica ring（6）, V-arrangement steel loop（7）, steel bushing（8）With reset bullet Spring（9）；

The spiral trim ring（4）It is set on insulating sleeve by welding（3）Right side, the mica sheet（5）Pass through riveting Mode is set on insulating sleeve（3）Upper left side, the V-arrangement steel loop（7）Mica sheet is set on by way of inlaying（5）Downside, the V Shape mica ring（6）Set on set on V-arrangement steel loop（7）Right side, the steel bushing（8）It is set on V-arrangement steel loop by welding（7）With V-arrangement mica ring（6）Downside, the resetting spring（9）Steel bushing is set on by way of inlaying（8）It is interior.

2. a kind of automobile commutator according to claim 1, it is characterised in that：The Insulating gap（1）Pass through cutting Mode is set on commutator segment（2）On, and Insulating gap（1）Length is 0.5mm, the Insulating gap（1）Depth is 0.2mm.

3. a kind of automobile commutator according to claim 1, it is characterised in that：The commutator segment（2）For carbon steel material, institute State insulating sleeve（3）Commutator segment is set on by way of inlaying（2）It is interior.

4. a kind of automobile commutator according to claim 1, it is characterised in that：The spiral trim ring（4）Downside passes through edge Embedding mode is equipped with pressure releasing hole（10）, the pressure releasing hole（10）Uniformly it is set on insulating sleeve（3）On.

5. a kind of automobile commutator according to claim 1, it is characterised in that：The steel bushing（8）Inner wall passes through smearing Mode be equipped with lubricant.