CN201839145U - Permanent magnet direct current motor - Google Patents
Permanent magnet direct current motor Download PDFInfo
- Publication number
- CN201839145U CN201839145U CN2010205959572U CN201020595957U CN201839145U CN 201839145 U CN201839145 U CN 201839145U CN 2010205959572 U CN2010205959572 U CN 2010205959572U CN 201020595957 U CN201020595957 U CN 201020595957U CN 201839145 U CN201839145 U CN 201839145U
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- rotating shaft
- end cover
- permanent magnet
- rear end
- end cap
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- Motor Or Generator Cooling System (AREA)
Abstract
The utility model relates to a permanent magnet direct current motor, which comprises a case, a front end cover, a back end cover, a rotor, a stator and a rotating shaft, wherein the stator is alnico, and the alnico is fixedly arranged on the inner wall of the case; the rotor comprises an iron core, a commutator, a winding, slot insulation and a slot wedge, and the rotor is connected with the rotating shaft in a matching way; the rotating shaft is respectively connected onto the front end cover and the back end cover through a first bearing and a second bearing, and the rotor is arranged between the front end cover and the back end cover through the rotating shaft; the front end cover and the back end cover are in threaded connection with the case, and an inner heat dissipation device is arranged at the front end of the rotating shaft; an outer heat dissipation device is arranged on the back end cover, and a brush holder assembly is arranged on the back end cover; and a plurality of heat dissipation holes are arranged on the case. The permanent magnet direct current motor has high power, low noise, long service life, good heat dissipation and wide purposes, and is convenient to replace a brush.
Description
Technical field
The utility model relates to motor, relates in particular to a kind of permanent magnet DC motor.
Background technology
Permanent magnet DC motor is the electromechanical integration New-type electric machine that electronic technology and conventional motors technology combine, and therefore advantages such as speed adjustable range is wide, staring torque is big, efficient is high, easy control that he has are widely used.Permanent magnet DC motor mainly is made up of rotor and stator, and stator is mainly used to produce magnetic field; Rotor is the rotating part of motor, and main effect is an induced electromotive force, produces electromagnetic torque, is that mechanical energy and electric energy transform mutually; The heat sinking function of existing permanent magnet DC motor is relatively poor, the brush changing difficulty, and motor works long hours and can cause motor internal overheated, reduces motor useful life.
The utility model content
The technical problems to be solved in the utility model is: provide a kind of power big, noise is little, and the life-span is long, good heat dissipation, and speed governing is direct current permanent magnet motor easily.
In order to overcome the defective that exists in the background technology, the technical scheme that its technical problem that solves the utility model adopts is: a kind of permanent magnet DC motor, comprise casing, front end housing, rear end cap, rotor, stator and rotating shaft, described stator is a magnet steel, magnet steel is fixedly mounted on the casing inner wall, described rotor comprises iron core, commutator, winding, slot liner and slot wedge, rotor and rotating shaft are connected, rotating shaft is connected respectively on front end housing and the rear end cap by the clutch shaft bearing and second bearing, rotor is installed between front end housing and the rear end cap by rotating shaft, front end housing and rear end cap are threaded with casing, the front end of described rotating shaft is equipped with interior heat abstractor, rear end cap is provided with outer heat abstractor, and rear end cap is equipped with brush handle assembly, has several louvres on the casing.
According to another embodiment of the present utility model, a kind of permanent magnet DC motor comprises that further described interior heat abstractor is a fan blade, and the fan blade cooperation is installed in the rotating shaft front end.
According to another embodiment of the present utility model, a kind of permanent magnet DC motor comprises that further described interior heat abstractor is a fan blade, and fan blade and rotating shaft are connected, and first insulating end plate is connected in rotating shaft.
According to another embodiment of the present utility model, a kind of permanent magnet DC motor comprises that further described outer heat abstractor is a fan, and the fan cooperation is installed in the rotating shaft, and fan is arranged on the rear end cap by rotating shaft, cooperates on the fan fan guard is installed.
According to another embodiment of the present utility model, a kind of permanent magnet DC motor comprises that further described brush handle assembly is a brush, and brush and rear end cap are threaded.
According to another embodiment of the present utility model, a kind of permanent magnet DC motor comprises that further described casing outside is equipped with temperature control equipment.
The utility model has solved the defective that exists in the background technology, and its advantage is: this permanent direct-current electric acc power is big, noise is little, and speed governing is convenient, of many uses; This permanent magnet DC motor is equipped with heat abstractor, has well improved the problem that the motor feels hot, and brush changing is convenient, has prolonged the useful life of motor.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the structural representation of preferred embodiment of the present utility model;
Fig. 2 is the external structure schematic diagram of preferred embodiment of the present utility model.
Wherein: 1, front end housing, 2, magnet steel, 3, casing, 4, clutch shaft bearing, 5, fan blade, 6, rotating shaft, 7, iron core, 8, winding, 9, slot liner, 10, slot wedge, 11, commutator, 12, second bearing, 13, brush, 14, rear end cap, 15, fan, 16, fan guard, 17, louvre, 18, attemperating unit.
Embodiment
With preferred embodiment the utility model is described in further detail in conjunction with the accompanying drawings now.These accompanying drawings are the schematic diagram of simplification, basic structure of the present utility model only is described in a schematic way, so it only show the formation relevant with the utility model.
As shown in Figure 1, a kind of permanent magnet DC motor, comprise casing 3, front end housing 1, rear end cap 15, rotor, stator and rotating shaft 7, described stator is a magnet steel 2, magnet steel 2 is fixedly mounted on casing 3 inwalls, described rotor comprises iron core 7, winding 8, slot liner 9, slot wedge 10 and commutator 11, rotor and rotating shaft 6 are connected, rotating shaft 6 is connected respectively on front end housing 1 and the rear end cap 14 by the clutch shaft bearing 4 and second bearing 12, rotor is installed between front end housing 1 and the rear end cap 14 by rotating shaft 6, front end housing 1 and rear end cap 14 are threaded with casing 3, the front end of described rotating shaft 6 is equipped with interior heat abstractor, rear end cap 14 is provided with outer heat abstractor, and rear end cap 14 is equipped with brush handle assembly, has several louvres 17 on the casing 3.
Interior heat abstractor is a fan blade 5, and fan blade 5 cooperations are installed in rotating shaft 6 front ends, and fan blade 5 can dispel the heat to motor internal, has reduced the internal temperature of motor.
Described outer heat abstractor is a fan 15; fan 15 cooperations are installed in the rotating shaft 6; fan 15 is arranged on the rear end cap 14 by rotating shaft 6; cooperate on the fan 15 fan guard 16 is installed; 16 pairs of fans 15 of fan guard play a protective role; fan 15 makes the motor internal well-ventilated, has improved commutator 11 heating and the high problems of motor temperature.Brush 13 and rear end cap 14 are threaded, and brush 13 is changed convenient, have prolonged motor useful life.Casing 3 outsides are equipped with temperature control equipment 18.
With above-mentioned foundation desirable embodiment of the present utility model is enlightenment, and by above-mentioned description, the related work personnel can carry out various change and modification fully in the scope that does not depart from this utility model technological thought.The technical scope of this utility model is not limited to the content on the specification, must determine its technical scope according to the claim scope.
Claims (5)
1. permanent magnet DC motor, comprise casing, front end housing, rear end cap, rotor, stator and rotating shaft, described stator is a magnet steel, magnet steel is fixedly mounted on the casing inner wall, described rotor comprises iron core, commutator, winding, slot liner and slot wedge, rotor and rotating shaft are connected, rotating shaft is connected respectively on front end housing and the rear end cap by the clutch shaft bearing and second bearing, rotor is installed between front end housing and the rear end cap by rotating shaft, front end housing and rear end cap are threaded with casing, it is characterized in that: the front end of described rotating shaft is equipped with interior heat abstractor, rear end cap is provided with outer heat abstractor, rear end cap is equipped with brush handle assembly, has several louvres on the casing.
2. a kind of permanent magnet DC motor as claimed in claim 1 is characterized in that: heat abstractor is a fan blade in described, and the fan blade cooperation is installed in the rotating shaft front end.
3. a kind of permanent magnet DC motor as claimed in claim 1 is characterized in that: described outer heat abstractor is a fan, and the fan cooperation is installed in the rotating shaft, and fan is arranged on the rear end cap by rotating shaft, cooperates on the fan fan guard is installed.
4. a kind of permanent magnet DC motor as claimed in claim 1 is characterized in that: described brush handle assembly is a brush, and brush and rear end cap are threaded.
5. a kind of permanent magnet DC motor as claimed in claim 1 is characterized in that: described casing outer setting has temperature control equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205959572U CN201839145U (en) | 2010-11-08 | 2010-11-08 | Permanent magnet direct current motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205959572U CN201839145U (en) | 2010-11-08 | 2010-11-08 | Permanent magnet direct current motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201839145U true CN201839145U (en) | 2011-05-18 |
Family
ID=44009244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205959572U Expired - Fee Related CN201839145U (en) | 2010-11-08 | 2010-11-08 | Permanent magnet direct current motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201839145U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102710041A (en) * | 2012-07-24 | 2012-10-03 | 太原理工大学 | Multiphase permanent-magnetic direct-current adjustable-speed motor |
| CN106411027A (en) * | 2016-11-01 | 2017-02-15 | 重庆市科诚电机制造有限公司 | Motor heat dissipation shell |
| CN106803710A (en) * | 2017-04-06 | 2017-06-06 | 宁德时代电机科技有限公司 | A kind of extra small high-power density permanent magnetic external rotor motor device of volume |
| CN108023455A (en) * | 2018-01-03 | 2018-05-11 | 海盐龙博直流电机有限公司 | A kind of high power high torque has brush excitation dc motor |
| CN108880023A (en) * | 2018-08-30 | 2018-11-23 | 江苏华风科技有限公司 | A kind of direct current generator for electric capstan |
-
2010
- 2010-11-08 CN CN2010205959572U patent/CN201839145U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102710041A (en) * | 2012-07-24 | 2012-10-03 | 太原理工大学 | Multiphase permanent-magnetic direct-current adjustable-speed motor |
| CN106411027A (en) * | 2016-11-01 | 2017-02-15 | 重庆市科诚电机制造有限公司 | Motor heat dissipation shell |
| CN106803710A (en) * | 2017-04-06 | 2017-06-06 | 宁德时代电机科技有限公司 | A kind of extra small high-power density permanent magnetic external rotor motor device of volume |
| CN108023455A (en) * | 2018-01-03 | 2018-05-11 | 海盐龙博直流电机有限公司 | A kind of high power high torque has brush excitation dc motor |
| CN108880023A (en) * | 2018-08-30 | 2018-11-23 | 江苏华风科技有限公司 | A kind of direct current generator for electric capstan |
| CN108880023B (en) * | 2018-08-30 | 2023-12-29 | 江苏华风科技有限公司 | Direct current motor for electric winch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110518 Termination date: 20131108 |