CN206807196U - A kind of brush carrier, brush holder structure and brush motor - Google Patents
A kind of brush carrier, brush holder structure and brush motor Download PDFInfo
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- CN206807196U CN206807196U CN201720655542.1U CN201720655542U CN206807196U CN 206807196 U CN206807196 U CN 206807196U CN 201720655542 U CN201720655542 U CN 201720655542U CN 206807196 U CN206807196 U CN 206807196U
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- brush
- brush carrier
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- lid
- holder structure
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Abstract
The utility model is on a kind of brush carrier, brush holder structure and brush motor, is related to technical field of motors.The technical scheme mainly used for：A kind of brush carrier includes brush carrier body and brush carrier lid；Wherein, brush carrier body is provided with brush accommodating hole；Brush carrier lid is covered on brush carrier body, for preventing brush from being ejected from brush accommodating hole.Wherein, brush carrier body is mould molding part；Also, brush carrier lid and brush carrier body are split-type structural.A kind of brush holder structure includes above-mentioned brush carrier and brush carrier fixed plate；Brush carrier is fixed in brush carrier fixed plate.A kind of brush motor includes above-mentioned brush holder structure and brush.The utility model is mainly used in improving the dimensional controllability of brush carrier power up brush accommodating hole, improves the performance of brush motor, and reduces the input of brush carrier, the technological process of brush holder structure and brush motor assembling and assembly tooling.
Description
Technical field
A kind of technical field of motors is the utility model is related to, more particularly to a kind of brush carrier, brush holder structure and brush motor.
Background technology
The effect of brushgear in brushed DC motor is that static external dc circuit is passed through into commutator and rotation
Armature circuit connect.Brushgear mainly includes brush and brush holder structure；And brush holder structure includes brush carrier and brush carrier fixed plate；
Brush is the conducting block made of graphite etc., is placed in brush carrier.Brush carrier is fixed in brush carrier fixed plate, and brush carrier fixed plate is pacified
On end cap or bearing.Wherein, the main function of brush carrier is to ensure that brush can be moved freely up and down in it；Also, brush
Must have appropriate gap, the excessive spark that will increase motor operation noise, increase motor in gap between brush carrier inwall
Grade and the EMC performances for influenceing motor.
The brush holder structure of prior art mainly has following two designs：Firstth, as shown in figure 1, the and of brush carrier fixed plate 2
Brush carrier 1 is fabricated separately；That is, brush carrier fixed plate 2 and brush carrier 1 are molded respectively by punch forming, then fixes brush carrier
Plate 2 and brush carrier 1 are assembled into brush holder structure.As shown in Fig. 3, the jack in brush carrier fixed plate 2 is 4 through holes, and brush carrier 1 is provided with
Four connecting pins 3；During assembling, four connecting pins 3 of brush carrier 1 pass through four through holes, then make connecting pin 3 by riveting tool
Rivet with brush carrier fixed plate 2, brush carrier 1 is fixed in brush carrier fixed plate 2 with realizing.Secondth, as described in Figure 2, brush holder structure is
Integral structure, i.e. brush carrier fixed plate 2 and brush carrier 1 are by mould while are used as a global formation.
It is specific as follows but inventor of the present utility model has found that above-mentioned existing two kinds of brush holder structures all have shortcoming：
(1) the first above-mentioned scheme adds assembly technology flow, and consolidate by brush carrier relative to scheme is integrally formed
, it is necessary to increase corresponding assembly tooling when fixed board and brush carrier are assembled into brush holder structure, so as to add the input of process costs.Separately
Outside, the brush carrier in the first above-mentioned scheme is formed by punch forming, is easily deformed in transportation so that brush carrier hole size
It is uncontrollable, further influence the size of brush and brush carrier inner hole wall.
(2) brush holder structure of above-mentioned second scheme is to be stripped to obtain by upper/lower die, the hole size tolerance of brush carrier,
It is to be formed by upper and lower two core rods are accumulative, so causes that the hole size of brush carrier is uncontrollable, and error is larger；And then directly affect electricity
The size of brush and brush carrier inner hole wall.
Utility model content
In view of this, the utility model provides a kind of brush carrier, brush holder structure and brush motor, and main purpose is to improve brush
The dimensional controllability for the brush accommodating hole held.
To reach above-mentioned purpose, the utility model mainly provides following technical scheme：
On the one hand, embodiment of the present utility model provides a kind of brush carrier, wherein, the brush carrier includes：
Brush carrier body, the brush carrier body are provided with brush accommodating hole；
Brush carrier lid, the brush carrier lid are covered on the brush carrier body, for preventing brush to be hit by a bullet from the brush accommodating hole
Go out；
Wherein, the brush carrier body is mould molding part；Also, the brush carrier lid and the brush carrier body are split-type structural.
The purpose of this utility model and solve its technical problem and can also be applied to the following technical measures to achieve further.
Preferably, the brush carrier lid is connected together with the brush carrier body.
Preferably, the upper end of the brush carrier body is provided with fastener；The brush carrier, which covers, offers hole clipping；Wherein, institute
State fastener to be engaged with the hole clipping, the brush carrier lid is covered on the brush carrier body.
Preferably, the hole clipping is the through hole through the brush carrier lid；
The fastener includes Part I and Part II；Wherein, the lower end of the Part I is arranged on the brush
Hold on body, the lower end of the Part II is connected with the upper end of the Part I；
Wherein, when the brush carrier lid is covered when on the brush carrier body, the Part II of the fastener passes through the card
Hole, it is fastened on the upper end of the brush carrier lid.
Preferably, the Part II of the fastener is arranged to up-small and down-big bulge-structure.
Preferably, the maximum gauge of the bulge-structure is more than the internal diameter of the hole clipping；
The minimum diameter of the bulge-structure is less than the internal diameter of the hole clipping.
Preferably, the bulge-structure is shaped as any of cone, half cone-shaped or hemispherical shape.
Preferably, the material of the bulge-structure is elastic material.
Preferably, the Part I of the fastener is arranged to column structure；Also, the diameter of the column structure is little
In the internal diameter of the hole clipping.
On the other hand, embodiment of the present utility model provides a kind of brush holder structure, wherein, the brush holder structure includes：
Brush carrier fixed plate；
Brush carrier described in any of the above-described, the lower end of the brush carrier body of the brush carrier are fixed in the brush carrier fixed plate.
Preferably, the brush carrier body and brush carrier fixed plate are made of one piece by mould.
Another further aspect, embodiment of the present utility model provide a kind of brushed DC motor, wherein, the brushed DC motor
Including above-mentioned brush holder structure.
Compared with prior art, a kind of brush carrier, brush holder structure and brush motor of the present utility model are shown under at least having
Beneficial effect：
The brush carrier that the utility model embodiment provides makes brush carrier body and brush by making brush carrier body be formed by mould molding
Hold lid and be arranged to split-type structural, in this way, so that brush carrier body is not allowed yielding, and when being molded brush carrier body, brush houses
Hole is to be stripped to obtain by a core rod, in the absence of tolerance is accumulative and the influence of core rod mismatch error.Therefore, the present embodiment provides
Brush carrier substantially increase the dimensional controllability of brush accommodating hole, then the gap between brush and brush carrier brush accommodating hole inwall
In controlled range, so as to improve the performance reliability of brushed DC motor.
Further, the brush carrier that the utility model embodiment provides, by making brush carrier lid and brush carrier body be connected together so that
The brush carrier that the present embodiment provides, without assembly tooling, need to only engage both when assembling brush carrier body and brush carrier lid, so as to
The assembling speed of brush carrier, brush holder structure and brush motor is improved, reduces being fabricated to for brush carrier, brush holder structure and brush motor
This.
Further, the brush carrier that the utility model embodiment provides opens up through hole by being covered in brush carrier, on brush carrier body
The fastener coordinated with through hole is set, and the upper end of fastener is arranged to up-small and down-big bulge-structure, wears bulge-structure
Through hole is crossed, is fastened on the upper surface of brush carrier lid.Pass through above-mentioned setting so that easy to assembly, and the brush carrier of brush carrier lid and brush carrier body
It is preferable to cover the stability connected with brush carrier body.
On the other hand, the utility model embodiment provides a kind of brush holder structure, the brush holder structure include brush carrier fixed plate and
Above-mentioned brush carrier.Because the brush holder structure in the utility model embodiment includes above-mentioned brush carrier, therefore, the utility model is real
Applying the brush holder structure of example has beneficial effect described in any of the above-described, does not repeat one by one herein.
Further, brush carrier fixed plate and brush carrier in the brush holder structure that the utility model embodiment provides are by mould one
It is body formed to form.By in this way, reduce the input of the technological process assembled between brush carrier and brush carrier fixed plate and frock,
And reduce deformation rate of the brush holder structure during transport and use.
Another further aspect, the utility model embodiment provide a kind of brush motor, due to the brush motor employ it is above-mentioned
There is brush configuration so that operation noise, the grade of spark of motor of the brush motor of the utility model embodiment are smaller, and increase has
The commutation reliability of brush motor and the reliability of EMC performances；In addition, also reduce assembly technology flow and the assembler of brush motor
The input of work.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model
Art means, and being practiced according to the content of specification, with preferred embodiment of the present utility model and coordinate accompanying drawing detailed below
Describe in detail bright as after.
Brief description of the drawings
Fig. 1 is a kind of structural representation of brush holder structure of the prior art；
Fig. 2 is the structural representation of another brush holder structure of the prior art；
Fig. 3 is a kind of polycrystalline substance schematic diagram of brush holder structure of the prior art；
Fig. 4 is that a kind of brush carrier fixed plate of embodiment offer of the present utility model and the integrally formed structure of brush carrier body are shown
It is intended to；
Fig. 5 is a kind of structural representation for brush carrier lid that embodiment of the present utility model provides；
Fig. 6 is a kind of decomposition texture schematic diagram for brush holder structure that embodiment of the present utility model provides；
Fig. 7 is a kind of structural representation for fastener that embodiment of the present utility model provides；
Fig. 8 is the structural representation for another fastener that embodiment of the present utility model provides；
Fig. 9 is the structural representation for the fastener of another that embodiment of the present utility model provides.
Embodiment
Further to illustrate that the utility model is to reach the technological means and effect that predetermined purpose of utility model taken,
Below in conjunction with accompanying drawing and preferred embodiment, to embodiment, structure, feature and its work(according to the present utility model application
Effect, describe in detail as after.In the following description, what different " embodiment " or " embodiment " referred to is not necessarily same implementation
Example.In addition, the special characteristic, structure or feature in one or more embodiments can be combined by any suitable form.
Embodiment 1
The present embodiment provides a kind of brush carrier, and as shown in Figures 4 to 6, brush carrier 5 includes brush carrier body 51 and brush carrier in the present embodiment
Lid 52.Brush carrier body 51 is provided with the brush accommodating hole 511 for being used for housing brush.Brush carrier lid 52 is covered on brush carrier body 51, is used for
Prevent brush from being ejected from brush accommodating hole 511.Wherein, brush carrier body 51 is mould molding part, and brush carrier lid 52 and brush carrier body 51
For split-type structural.
The brush carrier that the present embodiment provides makes brush carrier body 51 and brush carrier by making brush carrier body 51 be formed by mould molding
Lid 52 is arranged to split-type structural, so that brush carrier body 51 do not allow in transit it is yielding, and when being molded brush carrier body 51, electricity
Brush accommodating hole 511 is to be stripped to obtain by a core rod, in the absence of tolerance is accumulative and the influence of core rod mismatch error.Therefore, originally
The brush carrier 5 that embodiment provides substantially increases the dimensional controllability of brush accommodating hole 511, then brush and brush accommodating hole 511
Gap between inwall is in controlled range, so as to improve the performance reliability of brushed DC motor.
Embodiment 2
It is preferred that the present embodiment provides a kind of brush carrier, and compared with a upper embodiment, as shown in Fig. 4 to Fig. 6, the present embodiment
In brush carrier lid 52 be connected together with brush carrier body 51.Specifically, brush carrier lid 52 and brush carrier body 51 are engaged by snap-in structure connects
Connect.
The present embodiment is by making brush carrier lid 52 and brush carrier body 51 be connected together so that the brush carrier that the present embodiment provides is assembling
When brush carrier body 51 and brush carrier lid 52, without assembly tooling, both need to only be engaged, so as to improve brush carrier, brush holder structure
And the assembling speed of brush motor, the cost of manufacture of reduction brush carrier, brush holder structure and brush motor.
In the present embodiment, the mode that is connected together of brush carrier lid 52 and brush carrier body 51 has following several schemes：
The firstth, fastener is set on brush carrier lid 52, correspondingly, be provided with what is be adapted with fastener on brush carrier body 51
Hole clipping (or neck).
The secondth, fastener is set on brush carrier body 51, correspondingly, the card being adapted with fastener is set on brush carrier lid 52
Hole (or neck).
Wherein, fastener can be buckle structure form.
Certainly, in addition to the connected mode that brush carrier lid 52 and brush carrier body 51 that the present embodiment provides engage, for brush carrier lid
52 and brush carrier body 51 can also be connected by the way of screw thread pair.
Embodiment 3
It is preferred that the present embodiment provides a kind of brush carrier, compared with Example 2, as shown in Figures 4 to 6, brushed in the present embodiment
The mode that is connected together for holding body 51 and brush carrier lid 52 is specific as follows：The upper end of brush carrier body 51 is set in the present embodiment brush holder structure
There is fastener 512；Hole clipping 521 is offered on brush carrier lid 52；Wherein, fastener 512 is engaged with hole clipping 521, by brush carrier lid
52 cover on brush carrier body 51.On this basis, the present embodiment is further designed fastener 512 and hole clipping 521 as follows：
As shown in figure 5, hole clipping 521 is disposed through the through hole of brush carrier lid 52.Correspondingly, as shown in Fig. 4, Fig. 6 to Fig. 9,
Fastener 512 in the present embodiment includes Part I 5122 and Part II 5121.Wherein, the lower end of Part I 5122
It is arranged on the upper end of brush carrier body 51.The lower end of Part II 5121 is connected with the upper end of Part I 5122.Wherein, first
Part 5122 and Part II 5121 are integral type structure.Wherein, when brush carrier lid 52 is covered when on brush carrier body 51, fastener
512 Part II 5121 passes through hole clipping 521, is fastened on the upper end of brush carrier lid 52.
As shown in Fig. 4, Fig. 6 to Fig. 9, it is preferred that the Part I 5122 of fastener 512 is arranged to column structure；Also,
The diameter of column structure is not more than the internal diameter of hole clipping 521.When brush carrier lid 52 is covered when on brush carrier body 51, column structure is with blocking
The inwall in hole 521 coordinates.
As shown in Fig. 4, Fig. 6 to Fig. 9, it is preferred that the Part II 5121 of fastener 512 is arranged to up-small and down-big projection
Structure.The bulge-structure is shaped as cone, half cone-shaped or hemispheric any shape.Can certainly be on other
Small lower big beveled structure, is not specifically limited herein.The diameter of bulge-structure lower end is maximum, and more than the internal diameter of hole clipping 521；
The diameter of bulge-structure upper end is minimum, and minimum diameter is less than the internal diameter of hole clipping 521.Bulge-structure is elastic material.
It is preferred that the number of fastener 512 is multiple on brush carrier body 51；The number and fastener of through hole on brush carrier lid 52
512 number is consistent.
In addition, the brush carrier lid 52 in the present embodiment is plate body structure；When brush carrier lid 52 is covered when on brush carrier body, fastener
512 Part II is fastened on the upper surface of brush carrier lid 52 through hole clipping 521；Now, the lower surface of bulge-structure and brush carrier lid
52 upper surface abuts against.
The brush carrier that the present embodiment provides sets on brush carrier body 51 and coordinated with through hole by opening up through hole on brush carrier lid 52
Fastener, and the upper end of fastener is arranged to up-small and down-big bulge-structure, bulge-structure is passed through through hole, be fastened on brush
Hold the upper surface of lid 52.Pass through above-mentioned setting so that easy to assembly, and brush carrier lid 52 and the brush carrier of brush carrier lid 52 and brush carrier body 51
The stability that body 51 connects is preferable.
The brush carrier that this implementation provides is assembled when on brush carrier body 51 by brush carrier lid 52, makes fastener 512 and corresponding
Hole clipping 521 fasten；Wherein, when need to be by hole clipping 521 on brush carrier lid 52 at the diameter maximum position of bulge-structure, only
External force, which need to be applied, to be made elastic deformation occurs at bulge-structure diameter maximum position, so that bulge-structure passes through hole clipping 521, is treated convex
When playing planform recovery, you can be fastened on the upper end of brush carrier lid 52, so as to which brush carrier lid 52 is covered on brush carrier body 51, i.e.,
Complete the assembling of brush carrier.
Embodiment 4
It is preferred that the present embodiment provides a kind of brush carrier, and compared with above-described embodiment, as shown in Fig. 4 to Fig. 6, the present embodiment
In brush accommodating hole 511 be through brush carrier body 51 through hole.Brush carrier lid 52 is covered in the upper end of brush accommodating hole 511.Separately
Outside, brush carrier lid 52 is provided with the opening 522 connected with brush accommodating hole 511, and the size of opening 522 is to be sized；Its
In, it is sized meeting：Brush can not be from the opening ejection on brush carrier lid 52.Here, the present embodiment passes through on brush carrier lid 52
An opening 522 is opened up, main purpose makes the shunt welding of brush be reached from the opening 522 of brush carrier lid 52 outside brush carrier 5.
The shape of brush accommodating hole 511 in the present embodiment can be circular, square and polygon and other are irregular
Shape.Here, the 511 preferably rectangular hole of brush accommodating hole of the present embodiment.In addition, the brush carrier body 51 in the present embodiment is in court
Opening is provided with to the side of the central axis of brush carrier fixed plate 4, and the opening connects with brush accommodating hole 511；By such
The purpose of setting is to be assembled to brush in brush accommodating hole 511 from the opening.
Embodiment 5
On the other hand, the present embodiment provides a kind of brush holder structure, as shown in Figures 4 to 6, the brush holder structure in the present embodiment
Including brush carrier fixed plate 4 and brush carrier 5.Wherein, brush carrier 5 is arranged in brush carrier fixed plate 4, and brush carrier fixed plate 4 is used to be arranged on
On the end cap or bearing of brushed DC motor.
Wherein, the brush carrier 5 in the present embodiment is the brush carrier described in any of the above-described embodiment.Due to the brush carrier in the present embodiment
Structure includes the brush carrier of any of the above-described embodiment, so as to improve the chi of the brush accommodating hole 511 of brush holder structure in the present embodiment
Very little controllability.
The lower end of brush carrier body 51 in the present embodiment brush carrier 5 is fixed in brush carrier fixed plate 4, and brush carrier fixed plate 4 blocks
The lower end of brush accommodating hole 511.
Here, brush carrier body 51 and brush carrier fixed plate 4 can be molded with split, can also be integrally formed.
It is preferred that the brush carrier body 51 and brush carrier fixed plate 4 in the present embodiment brush holder structure are made of one piece by mould.
By in this way, reduce the input of the technological process assembled between brush carrier 5 and brush carrier fixed plate 4 and frock, and reduce
Deformation rate of the brush holder structure during transport and use.
In addition, at least one brush carrier 5 is provided with a brush carrier fixed plate 4.It is preferred that fix two in a fixed plate 4
Individual brush carrier 5, and two brush carriers 5 are oppositely arranged.
Embodiment 6
On the other hand, the present embodiment provides a kind of brush motor.Brush motor in the present embodiment includes any of the above-described reality
Apply the brush holder structure and brush described in example.Brush is contained in brush holder structure in the brush accommodating hole on brush carrier body.Brush carrier is fixed
On plate on the end cap or bearing of brush motor.It is preferred that the brush motor in the present embodiment is brushed DC motor.This
Brush motor in embodiment as a result of above-described embodiment brush holder structure, so as to reduce making an uproar for brush motor operation
While the reliability of sound, the grade of spark of motor and raising motor EMC performances, the assembly technology stream of brush motor is also reduced
Journey and the input of assembly work.
In summary, brush carrier, brush holder structure and the brush motor that the utility model embodiment provides improve brush and housed
The controllability of hole size, the performance of brush motor is improved, reduce the technological process and assembly tooling of brush motor assembling
Input.
To sum up, it will be readily appreciated by those skilled in the art that on the premise of not conflicting, above-mentioned each advantageous manner can be certainly
Combined, be superimposed by ground.
It is described above, only it is preferred embodiment of the present utility model, not the utility model is made any formal
Limitation, any simple modification, equivalent change and modification made to above example according to the technical essence of the utility model,
In the range of still falling within technical solutions of the utility model.
Claims (12)
1. a kind of brush carrier, it is characterised in that the brush carrier includes：
Brush carrier body, the brush carrier body are provided with brush accommodating hole；
Brush carrier lid, the brush carrier lid are covered on the brush carrier body, for preventing brush from being ejected from the brush accommodating hole；
Wherein, the brush carrier body is mould molding part；Also, the brush carrier lid and the brush carrier body are split-type structural.
2. brush carrier according to claim 1, it is characterised in that the brush carrier lid is connected together with the brush carrier body.
3. brush carrier according to claim 2, it is characterised in that the upper end of the brush carrier body is provided with fastener；It is described
Brush carrier, which covers, offers hole clipping；Wherein, the fastener is engaged with the hole clipping, and the brush carrier lid is covered in the brush
Hold on body.
4. brush carrier according to claim 3, it is characterised in that the hole clipping is the through hole through the brush carrier lid；
The fastener includes Part I and Part II；Wherein, the lower end of the Part I is arranged on the brush carrier body
On, the lower end of the Part II is connected with the upper end of the Part I；
Wherein, when the brush carrier lid is covered when on the brush carrier body, the Part II of the fastener passes through the hole clipping, card
Close in the upper end of the brush carrier lid.
5. brush holder structure according to claim 4, it is characterised in that the Part II of the fastener be arranged to it is upper it is small under
Big bulge-structure.
6. brush holder structure according to claim 5, it is characterised in that
The maximum gauge of the bulge-structure is more than the internal diameter of the hole clipping；
The minimum diameter of the bulge-structure is less than the internal diameter of the hole clipping.
7. the brush holder structure according to claim 5 or 6, it is characterised in that the bulge-structure is shaped as cone, half
Any of cone or hemispherical shape.
8. the brush holder structure according to claim 5 or 6, it is characterised in that the material of the bulge-structure is elastic material.
9. brush holder structure according to claim 4, it is characterised in that the Part I of the fastener is arranged to cylinder knot
Structure；Also, the diameter of the column structure is not more than the internal diameter of the hole clipping.
10. a kind of brush holder structure, it is characterised in that the brush holder structure includes：
Brush carrier fixed plate；
Brush carrier described in claim any one of 1-9, the lower end of the brush carrier body of the brush carrier are fixed in the brush carrier fixed plate.
11. brush holder structure according to claim 10, it is characterised in that the brush carrier body and brush carrier fixed plate are by mould
It is made of one piece.
12. a kind of brush motor, it is characterised in that the brush motor includes the brush holder structure described in claim 10 or 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720655542.1U CN206807196U (en) | 2017-06-07 | 2017-06-07 | A kind of brush carrier, brush holder structure and brush motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720655542.1U CN206807196U (en) | 2017-06-07 | 2017-06-07 | A kind of brush carrier, brush holder structure and brush motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206807196U true CN206807196U (en) | 2017-12-26 |
Family
ID=60744290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720655542.1U Active CN206807196U (en) | 2017-06-07 | 2017-06-07 | A kind of brush carrier, brush holder structure and brush motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206807196U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107425637A (en) * | 2017-06-07 | 2017-12-01 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of brush carrier, brush holder structure and brush motor |
-
2017
- 2017-06-07 CN CN201720655542.1U patent/CN206807196U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107425637A (en) * | 2017-06-07 | 2017-12-01 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of brush carrier, brush holder structure and brush motor |
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