CN206673805U - A kind of permanent magnet DC motor - Google Patents
A kind of permanent magnet DC motor Download PDFInfo
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- CN206673805U CN206673805U CN201720399786.8U CN201720399786U CN206673805U CN 206673805 U CN206673805 U CN 206673805U CN 201720399786 U CN201720399786 U CN 201720399786U CN 206673805 U CN206673805 U CN 206673805U
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- carbon brush
- rotor
- casing
- permanent magnet
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Abstract
The utility model discloses a kind of permanent magnet DC motor, and it includes fan blade, rear end cap, carbon brush component, rotor, casing, magnet steel and drive end bearing bracket；The fan blade Matching installation is in the end of rear end cap, and the ends match of the armature spindle of the fan blade and rotor is fixedly sleeved；The arc for being shaped as matching with the endoporus of casing of the magnet steel, the magnet steel share two and are symmetrically distributed in the endoporus of casing；Casing is fixed by screw rod and is connected between rear end cap and drive end bearing bracket；Coaxially matching is socketed in the endoporus of casing the rotor, and the armature spindle both ends of the rotor are fixed on rear end cap and drive end bearing bracket by two ball bearing matchings.The utility model uses said structure so that magneto has the performance of higher rotating speed and more power in the permanent magnet DC motor of same volume.
Description
Technical field
The invention belongs to a kind of permanent magnet DC motor, more particularly to a kind of permanent magnet DC motor.
Background technology
Permanent magnet DC motor is according to there is brushless to be divided into permanent-magnet brushless DC electric machine and permanent magnet brush direct current generator.Permanent magnetism
Direct current generator is a kind of direct current generator that magnetic field is established with permanent magnet.Permanent magnet DC motor is widely used in various portable electricity
In sub- equipment or utensil, such as recorder, the mechanical, electrical phonographs of VCD, electric massager and various toys, also it is widely used in automobile, rubs
The industries such as motorcycle, electric bicycle, battery car, ship, aviation, machinery, also it is widely used in some high, refined, peak products,
Such as video recorder, duplicator, camera, mobile phone, precision machine tool, bank's paper money counter, money binding machine.
Although permanent magnet DC motor now is more and more ripe, and volume is less and less, and power is increasing；But
It is people's permanent magnet DC motor smaller but more powerful also in demand volume.
The content of the invention
(1) technical problems to be solved
The technical problem to be solved in the present invention is to provide a kind of high rotating speed, high-power permanent magnet DC motor and rotor
Method for winding.
(2) technical scheme
In order to solve the above technical problems, the present invention provides a kind of permanent magnet DC motor, it includes fan blade, rear end cap, carbon brush
Component, rotor, casing, magnet steel and drive end bearing bracket；
Carbon brush component includes carbon brush fixed plate and carbon brush configuration, and carbon brush configuration shares two, and two carbon brush configurations are symmetrical
It is fixedly connected on two of an end face of carbon brush fixed plate, another end face of the carbon brush fixed plate is after coaxially matching is fixed on
On end cap；
Rotor includes armature spindle, commutator, end plate, rotor core, front end-plate and rotor enamel-covered wire；End plate and
Front end-plate Matching installation is on two end faces of rotor core, and the end plate, rotor core and front end-plate three coaxially match
It is fixedly sheathed on armature spindle；Coaxially matching is fixedly sheathed on armature spindle and is placed at end plate commutator；Rotor
Enamel-covered wire Matching installation is in the line embedding groove of rotor core；
Fan blade Matching installation is in the end of rear end cap, and the ends match of the armature spindle of the fan blade and rotor is fixed
Socket；The arc for being shaped as matching with the endoporus of casing of magnet steel, the magnet steel share two and are symmetrically distributed in casing
In endoporus；Casing is fixed by screw rod and is connected between rear end cap and drive end bearing bracket；Coaxially matching is socketed on casing to rotor
In endoporus, and the armature spindle both ends of the rotor are fixed on rear end cap and drive end bearing bracket by two ball bearing matchings.
Wherein, carbon brush configuration includes carbon brush set casing, carbon brush and lead；Carbon brush is arranged at matched carbon brush and fixed
In shell, the carbon brush set casing is fixed and is connected in carbon brush fixed plate；Carbon brush face electrical axis one end and one of commutator
The contact that matches is linked up with, the carbon brush matches away from one end of electrical axis with lead to be connected.
Wherein, the plug-in type card base of four rectangular distributions is provided with carbon brush set casing, is set in the carbon brush fixed plate
It is equipped with two groups of blocked holes that are symmetrical and matching with the plug-in type card base on the carbon brush set casing；Carbon brush set casing and carbon brush
The clamping that matches is inserted in blocked hole by plug-in type card base between fixed plate.
Wherein, carbon brush configuration also includes plane scroll spring；Carbon brush passes through plane scroll spring in carbon brush set casing
Elastic pre-stress matches with the hook of commutator to be contacted.
Wherein, the insulation groove paper to match with carbon brush fixed plate is provided between carbon brush fixed plate and rear end cap；The carbon brush
Fixed plate is matched by copper rivet with rear end cap to be fixedly connected.
Wherein, matched rotor slot insulation is provided with the line embedding groove of rotor core.
Wherein, it is individual using its axial line as the rounded array in axle center that 2n (n is the positive integer more than 1) is provided with rotor core
Equally distributed line embedding groove；It is 1 groove to specify one of line embedding groove, and is specified successively in the direction of the clock using 1 groove as starting vessel
Line embedding groove is 1-2n grooves；4n are provided with commutator altogether using its axial line as the equally distributed hook of the rounded array in axle center；
It is 1 hook to be specified on commutator with the 1 groove corresponding hook that matches, and using 1 hook to originate hook in the direction of the clock successively
It is 1-4n hooks to specify hook；
The method for winding of rotor is：1 groove enters, and n grooves go out, and hangs 3n-1 hooks；N+1 grooves enter, and 2n grooves go out, and hang n-1 hooks；CCW
Turn trough.
(3) beneficial effect
Compared with prior art, the present invention has higher rotating speed and more power than the permanent magnet DC motor of same volume；And
And the carbon brush configuration installation of the present invention is using the structure of plug-in type buckle so that its dismounting is more convenient；Wherein, in carbon brush configuration
In make use of plane scroll spring so that carbon brush can match with the hook of commutator all the time to be contacted, and avoids carbon brush abrasion from leading
Cause the situation of loose contact to occur, effectively extend service life；And using insulate groove paper each emphasis position insulated every
From effectively avoid leaking electricity occurs with the situation of power attenuation so that this product more high power.
Brief description of the drawings
Fig. 1 is the structural representation explosive view of permanent magnet DC motor of the present invention.
Fig. 2 is the structural representation of the rotor of permanent magnet DC motor of the present invention.
Fig. 3 is the structural representation explosive view of the carbon brush component of permanent magnet DC motor of the present invention.
Fig. 4 is the structural representation of the hook of corresponding 24 commutators of line embedding groove of 12 rotor cores of the invention.
Fig. 5 is the CCW turn trough winding diagrams of the hook of corresponding 24 commutators of line embedding groove of 12 rotor cores of the invention.
Fig. 6 is the structural representation of the hook of corresponding 32 commutators of line embedding groove of 16 rotor cores of the invention.
Fig. 7 is the CCW turn trough winding diagrams of the hook of corresponding 32 commutators of line embedding groove of 16 rotor cores of the invention.
Description of reference numerals：101st, fan blade；102nd, rear end cap；103rd, carbon brush component；104th, rotor；105th, casing；
106th, magnet steel；107th, drive end bearing bracket；1031st, carbon brush fixed plate；1032nd, carbon brush configuration；1033rd, insulate groove paper；1041st, armature spindle；
1042nd, commutator；1043rd, end plate；1044th, rotor core；1045th, front end-plate；1046th, rotor enamel-covered wire；10321st, carbon brush
Set casing；10322nd, carbon brush；10323rd, lead；10324th, plane scroll spring.
Embodiment
With reference to the accompanying drawings and examples, the embodiment of the present invention is described in further detail.Implement below
Example is used to illustrate the present invention, but can not be used for limiting the scope of the present invention.
Fig. 1 is the structural representation explosive view of permanent magnet DC motor of the present invention, this permanent magnet DC motor of major embodiment be by
What fan blade 101, rear end cap 102, carbon brush component 103, rotor 104, casing 105, magnet steel 106 and drive end bearing bracket 107 formed；Figure
2 be the structural representation of the rotor of permanent magnet DC motor of the present invention, and it is by armature spindle that emphasis, which reflects rotor 104,
1041st, commutator 1042, end plate 1043, rotor core 1044, front end-plate 1045 and rotor enamel-covered wire 1046 form；Fig. 3
It is the structural representation explosive view of the carbon brush component of permanent magnet DC motor of the present invention, embodying carbon brush component 103 is fixed by carbon brush
What plate 1031 and carbon brush configuration 1032 formed, and it is by carbon brush set casing 10321, carbon brush to reflect carbon brush configuration 1032 emphatically
10322nd, lead 10323 and plane scroll spring 10324；Fig. 4 is corresponding 24 commutators of line embedding groove of 12 rotor cores of the invention
Hook structural representation, Fig. 5 is the CCW turn troughs of the hook of corresponding 24 commutators of line embedding groove of 12 rotor cores of the invention
Winding diagram；Fig. 6 is the structural representation of the hook of corresponding 32 commutators of line embedding groove of 16 rotor cores of the invention, and Fig. 7 is this hair
The CCW turn trough winding diagrams of the hook of corresponding 32 commutators of the line embedding groove of bright 16 rotor core.
As shown in Figures 1 and 2, the permanent magnet DC motor includes fan blade 101, rear end to the structure of permanent magnet DC motor of the present invention
Lid 102, carbon brush component 103, rotor 104, casing 105, magnet steel 106 and drive end bearing bracket 107；
Carbon brush component 103 includes carbon brush fixed plate 1031 and carbon brush configuration 1032, and carbon brush configuration 1032 shares two, should
Two carbon brush configurations 1032 are symmetrically fixedly connected on two of an end face of carbon brush fixed plate 1031, the carbon brush fixed plate 1031
Another end face coaxially matching be fixed on rear end cap 102；
Rotor 104 includes armature spindle 1041, commutator 1042, end plate 1043, rotor core 1044, front end-plate
1045 and rotor enamel-covered wire 1046；End plate 1043 and the Matching installation of front end-plate 1045 are in two end faces of rotor core 1044
On, and coaxially matching is fixedly sheathed in armature spindle 1041 by the end plate 1043, rotor core 1044 and the three of front end-plate 1045
On；Coaxially matching is fixedly sheathed on armature spindle 1041 and is placed at end plate 1043 commutator 1042；Rotor enamel-cover
The Matching installation of line 1046 is in the line embedding groove of rotor core 1044；
The Matching installation of fan blade 101 is in the end of rear end cap 102, and the armature spindle of the fan blade 101 and rotor 104
1041 ends match is fixedly sleeved；The arc for being shaped as matching with the endoporus of casing 105 of magnet steel 106, the magnet steel
106 share two and are symmetrically distributed in the endoporus of casing 105；Casing 105 is fixed by screw rod and is connected in rear end cap 102 and preceding
Between end cap 107；Coaxially matching is socketed in the endoporus of casing 105 rotor 104, and the armature spindle of the rotor 104
1041 both ends are fixed on rear end cap 102 and drive end bearing bracket 107 by two ball bearing matchings.
The present invention uses said structure, compared to the permanent magnet DC motor of same volume, has higher rotating speed and more power.
As shown in figure 3, in the present embodiment, carbon brush configuration 1032 includes carbon brush set casing 10321, carbon brush 10322 and lead
10323；Carbon brush 10322 is arranged in matched carbon brush set casing 10321, and the carbon brush set casing 10321 fixes clamping
In in carbon brush fixed plate 1031；The hook that carbon brush 10322 faces one end of electrical axis and commutator 1042 matches and connect
Touch, the carbon brush 10322 matches away from one end of electrical axis with lead 10323 to be connected.
As shown in figure 3, in the present embodiment, the plug-in type card of four rectangular distributions is provided with carbon brush set casing 10321
Pin, be provided with the carbon brush fixed plate 1,031 two groups it is symmetrical and with the plug-in type card base on the carbon brush set casing 10321
The blocked hole to match；Inserted between carbon brush set casing 10321 and carbon brush fixed plate 1031 by plug-in type card base in blocked hole
Match clamping.The carbon brush configuration installation of the present invention uses the structure of plug-in type buckle so that its dismounting is more convenient.
As shown in figure 3, in the present embodiment, carbon brush configuration 1032 also includes plane scroll spring 10324；Carbon brush 10322 exists
Matched in carbon brush set casing 10321 by the elastic pre-stress of plane scroll spring 10324 and the hook of commutator 1042 and connect
Touch.The present invention make use of plane scroll spring in carbon brush configuration so that the hook that carbon brush can be all the time with commutator matches
Contact, avoids carbon brush abrasion from causing the situation of loose contact to occur, effectively extends service life.
As shown in figure 1, in the present embodiment, it is provided between carbon brush fixed plate 1031 and rear end cap 102 and carbon brush fixed plate
The 1031 insulation groove papers 1033 to match；The carbon brush fixed plate 1031 is matched by copper rivet with rear end cap 102 to be fixedly connected.
As shown in Fig. 2 in the present embodiment, it is exhausted that matched rotor slot is provided with the line embedding groove of rotor core 1044
Edge.
The present invention uses said structure, and using insulating, groove paper is dielectrically separated to each emphasis position, effectively avoids leaking electricity
Occur with the situation of power attenuation so that this product more high power.
In the present embodiment, it is individual using its axial line as axle center that 2n (n is the positive integer more than 1) is provided with rotor core 1044
The rounded equally distributed line embedding groove of array；It is 1 groove to specify one of line embedding groove, and is that starting vessel presses side clockwise using 1 groove
It is 1-2n grooves to line embedding groove is specified successively；4n are provided with commutator 1042 altogether using its axial line as the rounded array in axle center
Equally distributed hook；It is 1 hook to be specified on commutator 1042 with the 1 groove corresponding hook that matches, and using 1 hook to originate
It is 1-4n hooks that hook specifies hook successively in the direction of the clock；
The method for winding of rotor is：1 groove enters, and n grooves go out, and hangs 3n-1 hooks；N+1 grooves enter, and 2n grooves go out, and hang n-1 hooks；CCW
Turn trough.
As shown in Figures 4 and 5, be provided with the present embodiment, on rotor core 12 it is rounded as axle center using its axial line
The equally distributed line embedding groove of array；It is 1 groove to specify one of line embedding groove, and using 1 groove as starting vessel in the direction of the clock successively
It is 1-12 grooves to specify line embedding groove；Be provided with altogether on commutator 24 it is equally distributed using its axial line as the rounded array in axle center
Hook；It is 1 hook to be specified on commutator with 1 groove corresponding the hook that matches, and using 1 hook be originate hook press it is clockwise square
It is 1-24 hooks to hook is specified successively；
The method for winding of rotor is：1 groove enters, and 6 grooves go out, and hangs 17 hooks；7 grooves enter, and 12 grooves go out, and hang 5 hooks；CCW turn troughs.
As shown in FIG. 6 and 7, be provided with the present embodiment, on rotor core 16 it is rounded as axle center using its axial line
The equally distributed line embedding groove of array；It is 1 groove to specify one of line embedding groove, and using 1 groove as starting vessel in the direction of the clock successively
It is 1-16 grooves to specify line embedding groove；Be provided with altogether on commutator 32 it is equally distributed using its axial line as the rounded array in axle center
Hook；It is 1 hook to be specified on commutator with 1 groove corresponding the hook that matches, and using 1 hook be originate hook press it is clockwise square
It is 1-32 hooks to hook is specified successively；
The method for winding of rotor is：1 groove enters, and 8 grooves go out, and hangs 23 hooks；9 grooves enter, and 16 grooves go out, and hang 7 hooks；CCW turn troughs.
It these are only the preferred embodiment of the present invention, it is noted that come for those skilled in the art
Say, without departing from the technical principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (6)
- A kind of 1. permanent magnet DC motor, it is characterised in that：The permanent magnet DC motor include fan blade (101), rear end cap (102), Carbon brush component (103), rotor (104), casing (105), magnet steel (106) and drive end bearing bracket (107)；The carbon brush component (103) includes carbon brush fixed plate (1031) and carbon brush configuration (1032), the carbon brush configuration (1032) Two are shared, two carbon brush configurations (1032) are symmetrically fixedly connected on two of an end face of carbon brush fixed plate (1031), Coaxially matching is fixed on rear end cap (102) for another end face of the carbon brush fixed plate (1031)；The rotor (104) includes armature spindle (1041), commutator (1042), end plate (1043), rotor core (1044), front end-plate (1045) and rotor enamel-covered wire (1046)；The end plate (1043) and front end-plate (1045) Matching installation In on two end faces of rotor core (1044), and the end plate (1043), rotor core (1044) and front end-plate (1045) three Coaxially matching is fixedly sheathed on armature spindle (1041) person；Coaxially matching is fixedly sheathed in armature spindle to the commutator (1042) (1041) on and it is placed in close to end plate (1043) place；Rotor enamel-covered wire (1046) Matching installation is in rotor core (1044) in line embedding groove；Fan blade (101) Matching installation is in the end of rear end cap (102), and turn of the fan blade (101) and rotor (104) The ends match of sub- axle (1041) is fixedly sleeved；The magnet steel (106) is shaped as what is matched with the endoporus of casing (105) Arc, the magnet steel (106) share two and are symmetrically distributed in the endoporus of casing (105)；Casing (105) is fixed by screw rod It is connected between rear end cap (102) and drive end bearing bracket (107)；Coaxially matching is socketed on casing (105) to the rotor (104) In endoporus, and rear end cap is fixed in armature spindle (1041) both ends of the rotor (104) by two ball bearing matchings (102) and on drive end bearing bracket (107).
- 2. permanent magnet DC motor according to claim 1, it is characterised in that：The carbon brush configuration (1032) is consolidated including carbon brush Determine shell (10321), carbon brush (10322) and lead (10323)；The carbon brush (10322) is arranged at matched carbon brush and consolidated Determine in shell (10321), the carbon brush set casing (10321) fixation is connected in carbon brush fixed plate (1031)；Carbon brush (10322) faces One end of electrical axis matches with a hook of commutator (1042) to be contacted, and the carbon brush (10322) is away from electrical axis One end matches with lead (10323) to be connected.
- 3. permanent magnet DC motor according to claim 2, it is characterised in that：Set on the carbon brush set casing (10321) Have the plug-in type card base of four rectangular distributions, be provided with the carbon brush fixed plate (1031) two groups it is symmetrical and with the carbon The blocked hole that plug-in type card base on brush set casing (10321) matches；Carbon brush set casing (10321) and carbon brush fixed plate (1031) clamping that matches is inserted in blocked hole by plug-in type card base between.
- 4. permanent magnet DC motor according to claim 2, it is characterised in that：The carbon brush configuration (1032) also includes plane Scroll spring (10324)；The carbon brush (10322) passes through plane scroll spring (10324) in carbon brush set casing (10321) Elastic pre-stress matches with the hook of commutator (1042) to be contacted.
- 5. permanent magnet DC motor according to claim 2, it is characterised in that：The carbon brush fixed plate (1031) and rear end cap (102) the insulation groove paper (1033) to match with carbon brush fixed plate (1031) is provided between；The carbon brush fixed plate (1031) is logical Cross copper rivet and match with rear end cap (102) and be fixedly connected.
- 6. permanent magnet DC motor according to claim 1, it is characterised in that：In the line embedding groove of the rotor core (1044) It is provided with matched rotor slot insulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720399786.8U CN206673805U (en) | 2017-04-17 | 2017-04-17 | A kind of permanent magnet DC motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720399786.8U CN206673805U (en) | 2017-04-17 | 2017-04-17 | A kind of permanent magnet DC motor |
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| Publication Number | Publication Date |
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| CN206673805U true CN206673805U (en) | 2017-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720399786.8U Active CN206673805U (en) | 2017-04-17 | 2017-04-17 | A kind of permanent magnet DC motor |
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| CN (1) | CN206673805U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106992651A (en) * | 2017-04-17 | 2017-07-28 | 浙江万冠电机有限公司 | A kind of method for winding of permanent magnet DC motor and rotor |
-
2017
- 2017-04-17 CN CN201720399786.8U patent/CN206673805U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106992651A (en) * | 2017-04-17 | 2017-07-28 | 浙江万冠电机有限公司 | A kind of method for winding of permanent magnet DC motor and rotor |
| CN106992651B (en) * | 2017-04-17 | 2023-04-07 | 浙江万冠电机有限公司 | Permanent magnet direct current motor and winding method of motor rotor |
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