CN207625394U - A kind of miniature brush motor of electromagnetism interference - Google Patents
A kind of miniature brush motor of electromagnetism interference Download PDFInfo
- Publication number
- CN207625394U CN207625394U CN201721860482.3U CN201721860482U CN207625394U CN 207625394 U CN207625394 U CN 207625394U CN 201721860482 U CN201721860482 U CN 201721860482U CN 207625394 U CN207625394 U CN 207625394U
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- China
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- commutator
- fixedly connected
- motor housing
- side external
- external surface
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Abstract
The utility model discloses a kind of miniature brush motors of electromagnetism interference, including motor housing and rotation axis, one side external surface of the motor housing is fixedly connected with high frequency choke ring, and one end inner surface of motor housing is provided with No.1 ventilation hole and No.1 bearing, the side inner surface of the motor housing is fixedly connected with stator and end plate, the side inner surface of the end plate is provided with No. two ventilation holes and No. two bearings, the other end outer surface of the motor housing is installed with Air Filter, one side external surface of the rotation axis is fixedly connected with rotor, and a side external surface of rotor is provided with rotor windings.A kind of miniature brush motor of electromagnetism interference described in the utility model, equipped with high frequency choke ring, flexible connection piece and heat emission fan, the electromagnetic interference in external environment can effectively be shielded, and it can be so that being connected between carbon brush and commutator even closer, the heat-sinking capability that the micromotor can also be enhanced brings better prospect of the application.
Description
Technical field
The utility model is related to brush motor field, more particularly to the miniature brush motor of a kind of electromagnetism interference.
Background technology
Miniature brush motor is the electric rotating machine that can convert electric energy to mechanical energy, and brush motor is the base of all motors
Plinth, it has the characteristics that, and startup is fast, braking is timely, can be in a wide range of interior smoothly speed governing, the relatively easy a variety of spies of control circuit
Point；There are certain drawbacks in existing miniature brush motor, first, the electromagnetism that can not be shielded in external environment is dry when in use
It disturbs, is unfavorable for the use of people, secondly, the connection defective tightness between carbon brush and commutator can have certain ask when use
Topic cannot be satisfied demand in actual use in addition, the heat dissipation performance of current miniature brush motor is poor, give people
Certain influence is brought using process, for this purpose, it is proposed that a kind of miniature brush motor of electromagnetism interference.
Invention content
The main purpose of the utility model is to provide a kind of miniature brush motors of electromagnetism interference, can effectively solve
The problems in background technology.
To achieve the above object, the technical solution that the utility model is taken is：
A kind of miniature brush motor of electromagnetism interference, including motor housing and rotation axis, the side of the motor housing
Outer surface is fixedly connected with high frequency choke ring, and one end inner surface of motor housing is provided with No.1 ventilation hole and No.1 bearing,
The side inner surface of the motor housing is fixedly connected with stator and end plate, and stator is located at the side of end plate, the end plate
Side inner surface is provided with No. two ventilation holes and No. two bearings, and the other end outer surface of the motor housing is installed with dust-proof
One side external surface of net, the rotation axis is fixedly connected with rotor, and a side external surface of rotor is provided with rotor windings, described
One side external surface of rotation axis is provided with commutator, and a side external surface of commutator is provided with carbon brush, and the commutator is located at
The side of rotor, and the side inner surface of commutator is provided with mounting hole, a side external surface of the commutator is fixedly connected with
Commutator segment, and a side external surface of commutator segment is fixedly connected with flexible connection piece, the upper end inner surface of the rotation axis is provided with
Triangle groove, and the upper end outer surface of rotation axis is provided with fixed ring, the lower end outer surface of the fixed ring is fixedly connected with company
Convex block is connect, and the upper end outer surface of fixed ring is fixedly connected with heat emission fan.
Preferably, the quantity of the No.1 ventilation hole is several groups, and several No.1 ventilation holes are symmetrically distributed in No.1 bearing
Both sides up and down.
Preferably, the cross sectional shape of the end plate is circle, and the quantity of No. two ventilation holes is several groups, several No. two
Ventilation hole is centered around the surrounding of No. two bearings.
Preferably, a side external surface of the connection convex block passes through a side external surface of triangle groove and the upper end of rotation axis
Outer surface is fixedly connected, and connects the inside that convex block is located at triangle groove, and the cross sectional shape of the connection convex block is triangle.
Preferably, the rotation axis runs through the inside of motor housing, and the rotor is located at the inside of motor housing.
Preferably, the quantity of the commutator segment is several groups, and the specification size of several commutator segments is identical, several commutator segment packets
It is rolled in the outer surface of commutator.
Compared with prior art, the utility model has the advantages that：The miniature brush motor of the electromagnetism interference,
By the high frequency choke ring of setting, the electromagnetic signal interference in external environment can be effectively shielded, the use of people is conducive to,
By the flexible connection piece of setting, connection between carbon brush and commutator can be made more closely, to enhance its performance, than
More practical, the setting of heat emission fan can enhance the heat dissipation performance of the miniature brush motor, meet need in actual use
It asks, entire miniature motor structure with brush is simple, and easy to operate, the effect used is more preferable relative to traditional approach.
Description of the drawings
Fig. 1 is a kind of overall structure diagram of the miniature brush motor of electromagnetism interference of the utility model.
Fig. 2 is a kind of partial view of the miniature brush motor of electromagnetism interference of the utility model.
Fig. 3 be a kind of electromagnetism interference of the utility model miniature brush motor Fig. 2 in A sectional view.
Fig. 4 is a kind of commutator structure figure of the miniature brush motor of electromagnetism interference of the utility model.
In figure：1, motor housing；2, high frequency choke ring；3, No.1 ventilation hole；4, No.1 bearing；5, stator；6, end plate；7、
No. two ventilation holes；8, No. two bearings；9, Air Filter；10, rotation axis；11, rotor；12, rotor windings；13, commutator；14, carbon
Brush；15, mounting hole；16, commutator segment；17, flexible connection piece；18, triangle groove；19, fixed ring；20, convex block is connected；21, it dissipates
Heat fan.
Specific implementation mode
To make the technical means, creative features, achievement of purpose, and effectiveness of the utility model be easy to understand, below
In conjunction with specific implementation mode, the utility model is expanded on further.
As shown in Figs 1-4, the miniature brush motor of a kind of electromagnetism interference, including motor housing 1 and rotation axis 10, motor
One side external surface of shell 1 is fixedly connected with high frequency choke ring 2, and high frequency choke ring 2 can be shielded effectively in external environment
Electromagnetic signal is interfered, and is conducive to the use of people, and one end inner surface of motor housing 1 is provided with No.1 ventilation hole 3 and No.1
The side inner surface of bearing 4, motor housing 1 is fixedly connected with stator 5 and end plate 6, and stator 5 is located at the side of end plate 6, end plate
6 side inner surface is provided with No. two ventilation holes 7 and No. two bearings 8, and the other end outer surface of motor housing 1 is installed with anti-
One side external surface of dirt net 9, rotation axis 10 is fixedly connected with rotor 11, and a side external surface of rotor 11 is provided with rotor windings
12, a side external surface of rotation axis 10 is provided with commutator 13, and a side external surface of commutator 13 is provided with carbon brush 14, commutation
Device 13 is located at the side of rotor 11, and the side inner surface of commutator 13 is provided with mounting hole 15, the side appearance of commutator 13
Face is fixedly connected with commutator segment 16, and a side external surface of commutator segment 16 is fixedly connected with flexible connection piece 17, flexible connection piece
17 can make connection between carbon brush 14 and commutator 13 more closely, enhance its performance, practical, rotation axis 10
Upper end inner surface be provided with triangle groove 18, and the upper end outer surface of rotation axis 10 is provided with fixed ring 19, fixed ring 19
Lower end outer surface is fixedly connected with connection convex block 20, and the upper end outer surface of fixed ring 19 is fixedly connected with heat emission fan 21, heat dissipation
The setting of fan 21, can enhance the heat dissipation performance of the miniature brush motor, the needs of satisfaction in actual use.
The quantity of No.1 ventilation hole 3 is several groups, and several No.1 ventilation holes 3 are symmetrically distributed in up and down the two of No.1 bearing 4
Side；The cross sectional shape of end plate 6 is circle, and the quantity of No. two ventilation holes 7 is several groups, and several No. two ventilation holes 7 are centered around No. two
The surrounding of bearing 8；The upper end that one side external surface of connection convex block 20 passes through the side external surface and rotation axis 10 of triangle groove 18
Outer surface is fixedly connected, and connects the inside that convex block 20 is located at triangle groove 18, and the cross sectional shape of connection convex block 20 is triangle；
Rotation axis 10 runs through the inside of motor housing 1, and rotor 11 is located at the inside of motor housing 1；The quantity of commutator segment 16 is several groups,
The specification size of several commutator segments 16 is identical, and several commutator segments 16 are wrapped in the outer surface of commutator 13.
It should be noted that the utility model is a kind of miniature brush motor of electromagnetism interference, in use, in stator 5
Power supply is connected on rotor 11 so that stator 5 and rotor 11 respectively generate magnetic field, and rotor 11 starts to turn under the influence of a magnetic field
Dynamic, commutator 13 can change the current direction in copper wire in rotor windings 12 so that rotation axis 10 can continue along one
Direction rotates, and the flexible connection piece 17 being arranged on commutator segment 16 can make the connection between carbon brush 14 and commutator 13 more tight
It is close, enhance its performance, practical, the rotation of rotation axis 10 drives the heat emission fan 21 in fixed ring 19 to rotate, will be external
Air be drawn into inside motor housing 1 by No.1 ventilation hole 3, after taking away internal heat, by No. two ventilation holes 7 and anti-
Dirt net 9 is discharged, and achievees the purpose that reduce motor internal temperature, No.1 bearing 4 and No. two bearings 8 can reduce the rotation of rotation axis 10
When frictional force, the connection convex block 20 in triangle groove 18 facilitates fixed fixed ring 19, high frequency choke ring 2 that can effectively shield
Electromagnetic signal interference in external environment, is conducive to the use of people, more practical.
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (6)
1. a kind of miniature brush motor of electromagnetism interference, including motor housing（1）With rotation axis（10）, it is characterised in that：Institute
State motor housing（1）A side external surface be fixedly connected with high frequency choke ring（2）, and motor housing（1）One end inner surface set
It is equipped with No.1 ventilation hole（3）With No.1 bearing（4）, the motor housing（1）Side inner surface be fixedly connected with stator（5）With
End plate（6）, and stator（5）Positioned at end plate（6）Side, the end plate（6）Side inner surface be provided with No. two ventilation holes（7）
With No. two bearings（8）, the motor housing（1）Other end outer surface be installed with Air Filter（9）, the rotation axis（10）
A side external surface be fixedly connected with rotor（11）, and rotor（11）A side external surface be provided with rotor windings（12）, described
Rotation axis（10）A side external surface be provided with commutator（13）, and commutator（13）A side external surface be provided with carbon brush
（14）, the commutator（13）Positioned at rotor（11）Side, and commutator（13）Side inner surface be provided with mounting hole
（15）, the commutator（13）A side external surface be fixedly connected with commutator segment（16）, and commutator segment（16）A side external surface
It is fixedly connected with flexible connection piece（17）, the rotation axis（10）Upper end inner surface be provided with triangle groove（18）, and rotate
Axis（10）Upper end outer surface be provided with fixed ring（19）, the fixed ring（19）Lower end outer surface be fixedly connected with connection it is convex
Block（20）, and fixed ring（19）Upper end outer surface be fixedly connected with heat emission fan（21）.
2. a kind of miniature brush motor of electromagnetism interference according to claim 1, it is characterised in that：The No.1 ventilation
Hole（3）Quantity be several groups, several No.1 ventilation holes（3）It is symmetrically distributed in No.1 bearing（4）Both sides up and down.
3. a kind of miniature brush motor of electromagnetism interference according to claim 1, it is characterised in that：The end plate（6）
Cross sectional shape be circle, No. two ventilation holes（7）Quantity be several groups, several No. two ventilation holes（7）It is centered around No. two
Bearing（8）Surrounding.
4. a kind of miniature brush motor of electromagnetism interference according to claim 1, it is characterised in that：The connection convex block
（20）A side external surface pass through triangle groove（18）A side external surface and rotation axis（10）Upper end outer surface be fixedly connected,
And connection convex block（20）Positioned at triangle groove（18）Inside, the connection convex block（20）Cross sectional shape be triangle.
5. a kind of miniature brush motor of electromagnetism interference according to claim 1, it is characterised in that：The rotation axis
（10）Through motor housing（1）Inside, the rotor（11）Positioned at motor housing（1）Inside.
6. a kind of miniature brush motor of electromagnetism interference according to claim 1, it is characterised in that：The commutator segment
（16）Quantity be several groups, several commutator segments（16）Specification size it is identical, several commutator segments（16）It is wrapped in commutator
（13）Outer surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721860482.3U CN207625394U (en) | 2017-12-27 | 2017-12-27 | A kind of miniature brush motor of electromagnetism interference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721860482.3U CN207625394U (en) | 2017-12-27 | 2017-12-27 | A kind of miniature brush motor of electromagnetism interference |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207625394U true CN207625394U (en) | 2018-07-17 |
Family
ID=62830482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721860482.3U Expired - Fee Related CN207625394U (en) | 2017-12-27 | 2017-12-27 | A kind of miniature brush motor of electromagnetism interference |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207625394U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110071603A (en) * | 2019-04-17 | 2019-07-30 | 东风商用车有限公司 | A kind of rain shaving electrical machine EMC circuit |
-
2017
- 2017-12-27 CN CN201721860482.3U patent/CN207625394U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110071603A (en) * | 2019-04-17 | 2019-07-30 | 东风商用车有限公司 | A kind of rain shaving electrical machine EMC circuit |
| CN110071603B (en) * | 2019-04-17 | 2020-05-08 | 东风商用车有限公司 | Windscreen wiper motor EMC circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180717 Termination date: 20211227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |