CN206673784U - A kind of novel hollow cup carbon brush permanent magnet motor and its rotor assembly - Google Patents
A kind of novel hollow cup carbon brush permanent magnet motor and its rotor assembly Download PDFInfo
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- CN206673784U CN206673784U CN201621401375.XU CN201621401375U CN206673784U CN 206673784 U CN206673784 U CN 206673784U CN 201621401375 U CN201621401375 U CN 201621401375U CN 206673784 U CN206673784 U CN 206673784U
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- carbon brush
- commutator
- skeleton
- permanent magnet
- casing
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Abstract
The utility model discloses a kind of novel hollow cup carbon brush permanent magnet motor and its rotor assembly, the motor includes casing, magnet steel, winding, commutator, carbon brush holder and bonnet, the magnet steel is arranged in the casing, the commutator is connected with the winding, the winding is arranged between the magnet steel and casing, the carbon brush holder be arranged on it is described after cover and be connected with the commutator, the bonnet is connected with the casing；The casing, commutator, carbon brush holder are the integrated design.The utility model is simple in construction, and part is few, and cost is low, service life length, operates steadily, small volume, efficiency high, has good market prospects.
Description
Technical field
It the utility model is related to machine field, more particularly to a kind of rotor set of novel hollow cup carbon brush permanent magnet motor
Part.
Background technology
Drag cup carbon brush permanent magnet motor because its is compact-sized, without iron loss, efficiency high, various structure type the features such as and by
Widely use.With new technology, the development of new material and people carrying to performance indications such as the life-span of motor, vibration, efficiency
Height, there is an urgent need to drag cup to have brush permanent magnet motor constantly to be lifted in combination property, is realized on the basis of cost is rational excellent
Good motor performance.Especially in unmanned vehicle and robot field, it is necessary to which drag cup carbon brush permanent magnet motor has efficiently
The characteristics such as rate, high thrust-weight ratio, long-life.
In addition, existing drag cup have used on brush permanent magnet motor field have brush permanent magnet motor also exist it is following not
Foot：(1) being used in the drag cup of unmanned vehicle has brush permanent magnet motor because metallic brush easily rubs, and short life can not meet client
It is required that；(2) drag cup has brush permanent magnet motor to usually require that permanent magnet motor high load operation, causes power motor to be in warp
The normality of the high current work of perseverance, the metallic brush excessively stream that high current is brought is big, easy heating burnout；(3) drag cup has brush permanent magnetism
The metallic brush processing and fabricating cost that motor uses is high, yielding.(4) brushless permanent magnet electromotor used is inconvenient because controlling,
Response speed is caused not have brush permanent magnet motor reaction speed fast.(5) brushless permanent magnet electromotor adds product using iron core
Weight, be unfavorable for the light-weighted design requirement of unmanned vehicle and robot；In addition, the core structure of brushless permanent magnet electromotor
Iron loss is big and cogging torque is big.
Utility model content
The utility model provides a kind of novel hollow cup carbon brush permanent-magnet electric for the above technological deficiency of prior art
The rotor assembly of machine, the motor service life is long, rotating speed is high, operates steadily, small volume, in light weight and efficiency high.
The purpose of this utility model is achieved through the following technical solutions：
A kind of novel hollow cup carbon brush permanent magnet motor, including casing 1, magnet steel 3, winding 2, commutator 8, the and of carbon brush holder 6
Bonnet 9, the magnet steel 2 are arranged in the casing 1, and the commutator 8 is connected with the winding 2, and the winding 2 is arranged on institute
State between magnet steel 3 and casing 1, the carbon brush holder 6 is arranged on the bonnet 9 and is connected with the commutator 8, the bonnet 9
It is connected with the casing 1；The casing 1, commutator 8, carbon brush holder 6 are the integrated design.
Preferably, the commutator 8 includes commutator segment 802, skeleton 803 and rotating shaft 801, the commutator segment 802, skeleton
803 and rotating shaft 801 be sequentially connected；The rotating shaft 801 is being provided with annular knurl 8011 with the junction of skeleton 803；The skeleton 803 exists
Fluted 8032 are set with the junction of winding 2；The commutator bar slot to match with commutator segment 802 is provided with the skeleton 803
8031 and commutator segment pipe 8033；The skeleton 803 is provided centrally with shaft hole 8034, and the rotating shaft 801 passes through the shaft hole
8034 and skeleton 803 connect.
Preferably, the carbon brush holder 6 includes terminal 601 and brushing piece 602, and the terminal 601 and brushing piece 602 connect；It is described
Carbon crystal neck 6021 is provided with brushing piece 602；Connecting hole 6011 and positioning hole 6012 are provided with the terminal 602.
Preferably, axle sleeve 101 is provided with the casing 1, one end of the axle sleeve 101 connects with the center of casing end face
Connect；The axle sleeve 101 is provided at both ends with first, second bearing chamber；3rd bearing room 903 is provided with the center of the bonnet 9；
The bonnet 9 is additionally provided with terminal hole 901, locating dowel and casing neck 902.
Preferably, in addition to pad 5, bearing and carbon crystal 7, the bearing are arranged in bearing chamber；The pad 5 is arranged on
Between bearing in the upper bearing (metal) room of commutator 8 and axle sleeve 101；The carbon crystal 7 is set in the carbon crystal neck 6021.
Preferably, the rotor assembly includes commutator 8 and winding 2, and the commutator 8 and the winding 2 connect.
Preferably, the commutator 8 includes commutator segment 802, skeleton 803 and rotating shaft 801, the commutator segment 802, skeleton
803 and rotating shaft according to 801 times connection.
Preferably, the rotating shaft 801 is being provided with annular knurl 8011 with the junction of skeleton 803.
Preferably, the commutator bar slot 8031 and commutator segment pipe to match with commutator segment 802 is provided with the skeleton 803
8033；The skeleton 803 is provided centrally with shaft hole 8034, and the rotating shaft 801 is connected by shaft hole 8034 and skeleton 803.
Preferably, the skeleton 803 is setting fluted 8032 with the junction of winding 2.
Compared with prior art, the utility model drag cup carbon brush permanent magnet motor and its rotor assembly at least have following
Beneficial effect：
1) for the utility model by the way that magnet steel is arranged on the axle sleeve of casing, first, second bearing is separately positioned on axle sleeve
First, second bearing chamber in, then winding is connected with commutator, then rotating shaft is passed through into 3rd bearing and axle sleeve, winding is set
Put between magnet steel and casing；Carbon crystal is set on carbon brush holder, and carbon brush holder covers after being arranged on, and carbon crystal connects with commutator segment；Bonnet
Linked together with casing.
2) it is connected in the screens of rotating shaft is set with skeleton junction annular knurl, commutator segment and commutator bar slot, skeleton with winding
The groove that place is set both increases the rotating force and pull-out force of contact；Commutator segment 802, skeleton 803 and rotating shaft 801 connect as one
Formula designs, and improves production efficiency.
3) the utility model is simple in construction, and part is few, and cost is low, service life length, operates steadily, small volume, efficiency high；
Diameter can be accomplished below Φ 13mm, filled up the blank of miniaturization drag cup carbon brush machine, had good market prospects.
Brief description of the drawings
Fig. 1 is the overall structure exploded perspective view of the utility model drag cup carbon brush permanent magnet motor；
Fig. 2 is the casing cross-sectional view of the utility model drag cup carbon brush permanent magnet motor；
Fig. 3 is the rotor assembly exploded perspective view of the utility model drag cup carbon brush permanent magnet motor；
Fig. 4 is the rear case component exploded perspective view of the utility model drag cup carbon brush permanent magnet motor；
Fig. 5 is the carbon brush holder structure schematic diagram of the utility model drag cup carbon brush permanent magnet motor；
Fig. 6 is the overall structure diagrammatic cross-section of the utility model drag cup carbon brush permanent magnet motor.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples, following examples be it is descriptive,
It is not limited, it is impossible to which the scope of protection of the utility model is limited with this.
Fig. 1 is the overall structure exploded perspective view of the utility model drag cup carbon brush permanent magnet motor.
As shown in figure 1, the utility model drag cup carbon brush permanent magnet motor, including casing 1, coiling armature winding 2, magnetic
Steel 3, clutch shaft bearing 401, second bearing 402,3rd bearing 403, pad 5, carbon brush holder 6, carbon crystal 7, commutator 8 and bonnet 9.Its
In：
Clutch shaft bearing 401, second bearing 402, magnet steel 3 and casing 1 form stator module.The axle of clutch shaft bearing 401 and second
Hold 402 to be arranged in axle sleeve 101 and (please also refer to Fig. 2), form bearing assembly.This dual bearing structure can ensure stator
The concentricity of component, consolidate the intensity of bearing arrangement and under the premise of offer is high-revolving, reduce noise and vibration, while energy
Enough ensure the stability of the double force-output shafts of rotor.Magnet steel 3 is arranged in casing 1.
Commutator 8 and winding 2 form rotor assembly.Winding 2 is arranged between magnet steel 3 and casing 1, for providing magnetic field；
Commutator 8 passes through winding 2 and pad 5, and pad 5 is used for carrying out gap adjustment, controlling rotary part to motor pivotable parts
Axial float.It is bonded between commutator 8 and winding 2 by glue, rotating force and pull-out force during high rotation speed operation can be met,
Make connection more stable.
3rd bearing 403, bonnet 9, carbon brush holder 6 and carbon crystal 7 form rear case component, and 3rd bearing 403 is arranged on bonnet 9
Interior, carbon brush holder 6 is connected with bonnet 9, and carbon crystal 7 is arranged on carbon brush holder 6, and carbon crystal 7 is used for and commutator 8 connects.
Fig. 2 is the casing cross-sectional view of the utility model drag cup carbon brush permanent magnet motor.
As shown in Fig. 2 include axle sleeve 101 in casing 1；Axle sleeve 101 and the integrated design of casing 1, casing 1 can pass through precision
Numerical control (Computer Numerical Control, CNC) lathe process, integral molded plastic takes rotary extrusion type spinning to be carried out again after processing
The mode of finishing is process, and has preferable concentricity and precision.Axle sleeve 101 is used for connecting magnet steel 3.The axle sleeve of traditional type
101 and casing 1 connected mode compared with the axle sleeve 101 of integrated design and the connected mode of casing 1, the axle sleeve of traditional type
101 are reinforced with the junction of casing 1 with glue reinforcing or laser spot welder spot welding, good without the stability of integrated design, from
And meet rotating force and pull-out force caused by motor operating；The both ends of axle sleeve 101 in casing 1 are respectively arranged with clutch shaft bearing room
1011 and second bearing room 1012, the clutch shaft bearing room 1011 and second bearing room 1012 are respectively intended to place clutch shaft bearing
401 and second bearing 402, dual bearing structure can ensure the stability of the double output rotating shafts of rotor.Casing 1 ensures with axle sleeve 101
Stator pack concentricity, stable operating is provided for rotor assembly, has ensured the running accuracy of rotor assembly.Casing is set on end face
Heat emission hole (not shown) is equipped with, heat emission hole is used for distributing heat caused by motor internal, so as to avoid motor internal from overheating.
Fig. 3 is the rotor assembly exploded perspective view of the utility model drag cup carbon brush permanent magnet motor.
As shown in figure 3, commutator 8 and coiling armature winding 2 form rotor assembly.Commutator 8 include commutator segment 802,
Skeleton 803 and rotating shaft 801.Rotating shaft 801 is provided with annular knurl 8011 with the junction of skeleton 803, and annular knurl 8011 is used for increasing rotating shaft 801
With the rotating force and pull-out force of skeleton 803, make contact more firm, it is difficult for drop-off.Commutator segment pipe is provided with skeleton 803
8033rd, commutator bar slot 8031, groove 8032 and shaft hole 8034.Commutator segment 802 is by being enclosed on commutator segment pipe 8033 and skeleton
803 connections, commutator segment 802 finally mutually blocks with commutator bar slot 8031, then injection moulding integrated molding, with increase skeleton 803 with
Rotating force and pull-out force between commutator segment 802, make connection more firm.Rotating shaft 801 connects through shaft hole and skeleton 803,
The annular knurl 8011 that rotating shaft 801 and the junction of skeleton 803 are set adds frictional force between rotating shaft 801 and skeleton 803, rotating force
And pull-out force.The junction of skeleton 803 and winding 2 is additionally provided with groove 8032, and groove 8032 is easy to glue to immerse, and increases skeleton
Rotating force and pull-out force between 803 and winding 2.Commutator segment 802, skeleton 803 and rotating shaft 801 connect as one, and improve life
Produce efficiency.
Fig. 4 is the rear case component exploded perspective view of the utility model drag cup carbon brush permanent magnet motor.
As shown in figure 4,3rd bearing 403, bonnet 9, carbon brush holder 6 and carbon crystal 7 form rear case component.It is provided with bonnet 9
3rd bearing room 903, terminal hole 901, casing neck 902 and locating dowel (not shown)；Carbon brush holder 6 is bent using integral type
Shell fragment.Carbon brush holder 6 includes terminal 601.Carbon brush holder 6 is connected to bonnet 9 by terminal 601 through terminal hole 901.Carbon crystal 7 is set
On carbon brush holder 6,3rd bearing 403 is arranged in the 3rd bearing room 903 of bonnet 9.
Fig. 5 is the carbon brush holder structure schematic diagram of the utility model drag cup carbon brush permanent magnet motor.
As shown in figure 5, carbon brush holder 6 includes brushing piece 602 and the two parts of terminal 601, traditional welding procedure is not used, is improved
The conduction of carbon brush and terminal, avoids the electrical connection properties that carbon brush and terminal are influenceed because of rosin joint.It is provided with brushing piece 602
Carbon crystal neck 6021, carbon crystal 7 are connected by carbon crystal neck 6021 and carbon brush holder 6；Connecting hole 6011 is provided with terminal 601 and is determined
Position hole 6012, connecting hole 6011 are used for connecting external power source, and fixing hole 6012 is used for fixing carbon brush holder 6 and bonnet 9, fixed column
(not shown) is connected to terminal 601 through fixing hole 6012, then heats fixed column, melt it is flat after i.e. carbon brush holder 6 and after
Lid 9 is fixed.
Fig. 6 is the overall structure diagrammatic cross-section of the utility model drag cup carbon brush permanent magnet motor；As shown in Figure 6 (please
With reference to other figures), the present invention includes casing 1, winding 2, magnet steel 3, clutch shaft bearing 401, second bearing 402,3rd bearing
403rd, pad 5, carbon brush holder 6, carbon crystal 7, commutator 8, axle sleeve 101 and bonnet 9.Wherein：
Casing 1 and the integrated design of axle sleeve 101, are effectively ensured stator pack concentricity and stable operating, the machine of traditional type
After 101 groups of shell 1 and axle sleeve is vertical, point of use UV glue or reinforced using laser spot welding, it is impossible to stator pack concentricity and steady is effectively ensured
Fixed operating.Clutch shaft bearing 401, second bearing 402 are arranged in the bearing chamber at the both ends of axle sleeve 101, and 3rd bearing 403 is arranged on
In the bearing chamber of bonnet 9, pad 5 is arranged between second bearing 402 and the skeleton 803 of commutator 8, and pad 5 is to rotatable portion
Divide and carry out gap adjustment, for controlling the axial float of rotating part.Magnet steel 3 is enclosed on axle sleeve 101, is then connected by glue
Connect, prevent circumference from skidding, make stationary positioned more firm.After commutator 8 is fixedly connected with winding 2, winding 2 is arranged on magnet steel 3
Between casing 1, rotating shaft 801 is connected to casing 1 by pad 5, second bearing 402, axle sleeve 101 and clutch shaft bearing 401.Carbon crystal
7 are connected to bonnet 9 by terminal 601 by the carbon brush holder 6 of carbon crystal neck 6021 through the terminal hole 901 on bonnet 9, and locating dowel is worn
Cross positioning hole 6012 carbon brush holder 6 is fixed on bonnet 9.Carbon crystal 7 and commutator segment 8033 are connected, and bonnet 9 is buckled on casing 1, machine
Shell 1 is connected with bonnet 9, blocks casing 1 and bonnet 9 at casing neck 902.
The manufacture method of the utility model drag cup carbon brush permanent magnet motor, include the procedure of processing of carbon brush permanent magnet motor
With the number of assembling steps of carbon brush permanent magnet motor, it is specially：
The procedure of processing of the carbon brush permanent magnet motor, including：
A：By board respectively by commutator 8, carbon brush holder 6, the global formation of casing 1；
B：Bearing assembly is arranged on to the corresponding position of casing 1 and bonnet 9, commutator is connected winding, carbon brush holder connects
Bonnet is connect, then winding is arranged in casing, then bonnet is arranged on casing.
Here, the bearing assembly, including the second bearing of axle sleeve and the clutch shaft bearing sum being arranged in axle sleeve.
C：And then by accurate digital control CNC lathe process casing or by rotary extrusion type spinning processing finish again.
The number of assembling steps of the carbon brush permanent magnet motor, including：
D：Bearing riveting is entered in bearing chamber, on axle sleeve, stator module assembling finishes magnetic steel sleeve；
Here, the stator module includes clutch shaft bearing, second bearing, magnet steel and casing.
E：Commutator segment, skeleton and rotating shaft are sequentially connected composition commutator, commutator is connected on winding, by glue plus
Gu；
F：Carbon crystal is set and carbon brush holder, carbon brush holder cover after being connected to, carbon brush holder connects with commutator, bonnet and casing
Connection.
More than, the only preferable embodiment of the utility model, but the protection domain of utility model is not limited to
This, any one skilled in the art is in the technical scope that the utility model discloses, the change that can readily occur in
Or replace, it should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be with right
The protection domain of claim is defined.
Claims (10)
1. a kind of novel hollow cup carbon brush permanent magnet motor, including casing (1), magnet steel (3), winding (2), commutator (8), carbon brush
Frame (6) and bonnet (9), the magnet steel (3) are arranged in the casing (1), and the commutator (8) is connected with the winding (2),
The winding (2) is arranged between the magnet steel (3) and casing (1), and the carbon brush holder (6) is arranged on the bonnet (9) simultaneously
It is connected with the commutator (8), the bonnet (9) is connected with the casing (1)；Characterized in that, the casing (1), commutation
Device (8), carbon brush holder (6) are the integrated design.
2. novel hollow cup carbon brush permanent magnet motor according to claim 1, it is characterised in that commutator (8) bag
Include commutator segment (802), skeleton (803) and rotating shaft (801)；The commutator segment (802), skeleton (803) and rotating shaft (801) connect successively
Connect；The rotating shaft (801) is being provided with annular knurl (8011) with skeleton (803) junction；The skeleton (803) with winding (2)
Junction sets fluted (8032)；The commutator bar slot to match with commutator segment (802) is provided with the skeleton (803)
And commutator segment pipe (8033) (8031)；The skeleton (803) is provided centrally with shaft hole (8034), and the rotating shaft (801) passes through
The shaft hole (8034) and skeleton (803) connection.
3. novel hollow cup carbon brush permanent magnet motor according to claim 1, it is characterised in that carbon brush holder (6) bag
Include terminal (601) and brushing piece (602), the terminal (601) and brushing piece (602) connection；Carbon crystal is provided with the brushing piece (602)
Neck (6021)；Connecting hole (6011) and positioning hole (6012) are provided with the terminal (601).
4. novel hollow cup carbon brush permanent magnet motor according to claim 1, it is characterised in that set on the casing (1)
Axle sleeve (101) is equipped with, one end of the axle sleeve (101) is connected with the center of casing end face；The axle sleeve (101) is provided at both ends with
First, second bearing chamber；3rd bearing room (903) is provided with the center of the bonnet (9)；The bonnet (9) is additionally provided with
Terminal hole (901), locating dowel and casing neck (902).
5. novel hollow cup carbon brush permanent magnet motor according to claim 4, it is characterised in that also including pad (5), axle
Hold and be arranged on carbon crystal (7), the bearing in bearing chamber；The pad (5) is arranged on the commutator (8) and axle sleeve (101)
Between bearing in upper bearing (metal) room；The carbon crystal (7) is arranged in the carbon crystal neck (6021).
6. a kind of rotor assembly of novel hollow cup carbon brush permanent magnet motor, it is characterised in that the rotor assembly includes commutation
Device (8) and winding (2), the commutator (8) and the winding (2) connection.
7. the rotor assembly of novel hollow cup carbon brush permanent magnet motor according to claim 6, it is characterised in that described to change
Include commutator segment (802), skeleton (803) and rotating shaft (801) to device (8)；The commutator segment (802), skeleton (803) and rotating shaft
(801) it is sequentially connected.
8. the rotor assembly of novel hollow cup carbon brush permanent magnet motor according to claim 7, it is characterised in that described turn
Axle (801) is being provided with annular knurl (8011) with skeleton (803) junction.
9. the rotor assembly of novel hollow cup carbon brush permanent magnet motor according to claim 7, it is characterised in that the bone
The commutator bar slot (8031) and commutator segment pipe (8033) to match with commutator segment (802) is provided with frame (803)；The skeleton
(803) shaft hole (8034) is provided centrally with, the rotating shaft (801) is connected by shaft hole (8034) and skeleton (803).
10. the rotor assembly of novel hollow cup carbon brush permanent magnet motor according to claim 7, it is characterised in that described
Skeleton (803) is setting fluted (8032) with winding (2) junction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621401375.XU CN206673784U (en) | 2016-12-20 | 2016-12-20 | A kind of novel hollow cup carbon brush permanent magnet motor and its rotor assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621401375.XU CN206673784U (en) | 2016-12-20 | 2016-12-20 | A kind of novel hollow cup carbon brush permanent magnet motor and its rotor assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206673784U true CN206673784U (en) | 2017-11-24 |
Family
ID=60357658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621401375.XU Active CN206673784U (en) | 2016-12-20 | 2016-12-20 | A kind of novel hollow cup carbon brush permanent magnet motor and its rotor assembly |
Country Status (1)
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| CN (1) | CN206673784U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106451932A (en) * | 2016-12-20 | 2017-02-22 | 深圳市万至达电机制造有限公司 | Novel coreless permanent magnet motor with carbon brushes and method for manufacturing novel coreless permanent magnet motor |
| CN109245349A (en) * | 2018-09-29 | 2019-01-18 | 深圳市万至达电机制造有限公司 | Hollow cup motor rotor and production method |
| CN109713829A (en) * | 2018-12-09 | 2019-05-03 | 西安航天精密机电研究所 | A kind of impact resistance hollow cup permanent magnetic DC servo-motor and its carbon brush |
| CN112217322A (en) * | 2020-01-20 | 2021-01-12 | 江苏鼎智智能控制科技股份有限公司 | Stator module and injection molding stepping motor using same |
-
2016
- 2016-12-20 CN CN201621401375.XU patent/CN206673784U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106451932A (en) * | 2016-12-20 | 2017-02-22 | 深圳市万至达电机制造有限公司 | Novel coreless permanent magnet motor with carbon brushes and method for manufacturing novel coreless permanent magnet motor |
| CN106451932B (en) * | 2016-12-20 | 2023-06-16 | 深圳市万至达电机制造有限公司 | Novel hollow cup carbon brush permanent magnet motor and manufacturing method thereof |
| CN109245349A (en) * | 2018-09-29 | 2019-01-18 | 深圳市万至达电机制造有限公司 | Hollow cup motor rotor and production method |
| CN109245349B (en) * | 2018-09-29 | 2023-09-22 | 深圳市万至达电机制造有限公司 | Hollow cup motor rotor and manufacturing method thereof |
| CN109713829A (en) * | 2018-12-09 | 2019-05-03 | 西安航天精密机电研究所 | A kind of impact resistance hollow cup permanent magnetic DC servo-motor and its carbon brush |
| CN112217322A (en) * | 2020-01-20 | 2021-01-12 | 江苏鼎智智能控制科技股份有限公司 | Stator module and injection molding stepping motor using same |
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