CN106533029A - Brush holding fixing plate and brush motor with same - Google Patents
Brush holding fixing plate and brush motor with same Download PDFInfo
- Publication number
- CN106533029A CN106533029A CN201611059899.XA CN201611059899A CN106533029A CN 106533029 A CN106533029 A CN 106533029A CN 201611059899 A CN201611059899 A CN 201611059899A CN 106533029 A CN106533029 A CN 106533029A
- Authority
- CN
- China
- Prior art keywords
- brush carrier
- brush
- plane
- fixed plate
- brush holder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005452 bending Methods 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 239000000969 carrier Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/14—Means for supporting or protecting brushes or brush holders
- H02K5/143—Means for supporting or protecting brushes or brush holders for cooperation with commutators
- H02K5/145—Fixedly supported brushes or brush holders, e.g. leaf or leaf-mounted brushes
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K23/00—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Current Collectors (AREA)
Abstract
The invention provides a brush holder fixing plate and a brush motor with the same, wherein the brush holder fixing plate (1) comprises a first plane (11) and a second plane (12) which are arranged oppositely, and further comprises a plurality of brush holder inserting ports (13) which penetrate through the first plane and the second plane and can allow a brush holder to penetrate through and form inserting connection with the brush holder, and at least part of the periphery of at least one brush holder inserting port (13) on the first plane and/or the second plane is provided with a protrusion (14) protruding outwards or a groove recessed inwards. The invention can increase the contact surface between the brush holder and the brush holder fixing plate, improve the binding force between the brush holder and the fixing plate, enhance the fastening effect after the assembly between the brush holder and the brush holder fixing plate, and prevent the looseness between the brush holder and the brush holder fixing plate from affecting the normal working performance of the motor; the size of the brush holder matched with the brush holder fixing plate can be stabilized, and the performance of the motor is improved; reduce motor noise, improve EMC performance.
Description
Technical field
The invention belongs to technical field of motors, and in particular to a kind of brush carrier fixed plate and the brush motor with which.
Background technology
The effect of brushed DC motor center brush device at present is by diverter and rotation by static external dc circuit
The armature circuit for turning is connected.Brushgear is made up of brush, brush carrier, brush carrier fixed plate etc..Wherein, brush graphite etc. is made
Conducting block, be placed in brush carrier.In small-sized brushed DC motor, brush carrier is typically fixed in brush carrier fixed plate, brush carrier
Fixed plate is arranged on end cap or bearing chamber.The structure of brush carrier fixed plate, the fit dimension for directly affecting brush with brush carrier is (such as electricity
Brush the such as figure one such as tangential gap, arm length to show), then and have influence on the performance of motor.
The bottom surface that the brush carrier fixed plate of traditional brushed DC motor is coordinated with brush carrier pin is a plane, and this cooperation is only
By brush carrier pin and brush carrier fixed plate frictional force fixing brush carrier, can finally cause little brush carrier fastening force, the tangential gap of brush,
Arm length equidimension is unstable, affects the performances such as motor noise, EMC.Therefore need the fit system to brush carrier and brush carrier fixed plate
Modify, increase both combining abilitys, make brush carrier size more stable, so as to ensure the performance of motor.
Because there is the chis such as little brush carrier fastening force, the tangential gap of brush, arm length in brushed DC motor of the prior art
It is very little unstable, the technical problems such as the performances such as motor noise, EMC are affected, therefore research design of the present invention goes out a kind of brush carrier fixed plate
And the brush motor with which.
The content of the invention
Therefore, the technical problem to be solved in the present invention is that to overcome brushed DC motor of the prior art to there is brush carrier tight
Gu the little defect of power, so as to provide a kind of brush carrier fixed plate and the brush motor with which.
The present invention provides a kind of brush carrier fixed plate, and which includes the first plane being disposed opposite to each other and the second plane, also including many
It is individual run through the first plane and the second plane, brush carrier can be allowed pass through and formed socket connection brush carrier interface, and
In first plane and/or second plane, around at least part of position of the surrounding of brush carrier interface described at least one
Install and be equipped with outwardly projection or the groove for caving inward.
Preferably, the brush carrier interface is rectangular shape, and described raised or described groove is arranged at the rectangle shape
The position at least one side of shape brush carrier interface.
Preferably, the described raised or groove is arranged at the position on four sides of the rectangular shape brush carrier interface simultaneously
Put, form the deep gouge of the boss or rectangular shape of rectangular shape.
Preferably, four projections are may be contained within first plane, and four projections are relative to the first plane
Outwardly identical preset height；
Or, four projections are may be contained within second plane, four it is described it is raised relative to the second plane to
Outer protrusion identical preset height；
Or, four grooves are may be contained within first plane, four grooves relative to the first plane to
Inner groovy identical predetermined depth；
Or, four grooves are may be contained within second plane, four grooves relative to the second plane to
Inner groovy identical predetermined depth.
Preferably, four crownings of the boss of rectangular shape are plane, the shape together with the brush carrier interface
Into the structure of " returning " font.
The present invention also provides a kind of brush motor, and which includes brush, brush carrier and aforesaid brush carrier fixed plate, and the brush carrier leads to
Cross the brush carrier interface to be connected with the brush carrier fixed plate.
Preferably, the brush carrier includes brush carrier pin, after the brush carrier interface of the brush carrier pin insertion brush carrier fixed plate
Bending is carried out, the forge piece of step type structure combined with the raised or groove match at brush carrier interface surrounding at least is formed.
Preferably, during the boss for convexing to form as rectangular shape when described, the boss of the brush carrier pin and rectangular shape
One side it is in mating connection, and the brush carrier pin of forge piece of step type structure contacted with least three faces of the boss.
Preferably, each described brush carrier includes four brush carrier pins, and the brush carrier fixed plate includes four brush carriers
The position of interface and four brush carrier interfaces and four brush carrier pins corresponds.
Preferably, the brush motor is brushed DC motor.
A kind of brush carrier fixed plate and the brush motor with which that the present invention is provided has the advantages that：
1. the brush carrier fixed plate and the brush motor with which of the present invention, by the first plane in brush carrier fixed plate
And/or second be provided with plane, at least the one of the surrounding of at least one brush carrier interface it is outwardly raised or
The groove for caving inward, can increase the contact surface between brush carrier and brush carrier fixed plate, increase the knot between brush carrier and fixed plate
With joint efforts, strengthen the fastening effect after assembling between brush carrier and brush carrier fixed plate, prevent especially brush carrier and brush when motor works
There is the normal working performance for loosening, affecting motor between holding fixed board；
2. the brush carrier fixed plate and the brush motor with which of the present invention, by the first plane in brush carrier fixed plate
And/or second be provided with plane, at least the one of the surrounding of at least one brush carrier interface it is outwardly raised or
The groove for caving inward, moreover it is possible to the size (chi such as the tangential gap of brush, arm length after stable brush carrier and the cooperation of brush carrier fixed plate
It is very little) so that motor performance gets a promotion；
3. the brush carrier fixed plate and the brush motor with which of the present invention, by the first plane in brush carrier fixed plate
And/or second be provided with plane, at least the one of the surrounding of at least one brush carrier interface it is outwardly raised or
The groove for caving inward, moreover it is possible to reduce motor noise, improve EMC performances (Electro Magnetic Compatibility) etc.；
Description of the drawings
Fig. 1 is the dimensional structure diagram of the brush carrier fixed plate of the present invention；
Fig. 2 is the positive structure schematic of Fig. 1；
Fig. 3 is the dimensional structure diagram of the brush motor that the brush carrier of the present invention is connected with brush carrier fixed plate；
Fig. 4 is the positive structure schematic of Fig. 3.
In figure, reference is expressed as：
1 brush carrier fixed plate, 11 first planes, 12 second planes, 13 brush carrier interfaces, 14 is raised, 2 brushes
Hold, 21 brush carrier pins, 22 forge piece of step type structure.
Specific embodiment
Embodiment 1
As shown in figure 1, the present invention provides a kind of brush carrier fixed plate 1, which is slab construction, flat including first for being disposed opposite to each other
Face 11 and the second plane 12, the fixed plate 1 include it is multiple run through the first plane and the second plane, can allow that brush carrier 2 is passed through
And the brush carrier interface 13 of formed socket connection, and in first plane 11 and/or second plane 12, surround
At least part of position of brush carrier interface surrounding described at least one is (i.e. around portion (the i.e. portion of brush carrier interface surrounding
Point surround) or whole positions (i.e. all around)) it is provided with the projection 14 of outwardly (i.e. away from the first and second planes).
By increasing the design of brush carrier fixed plate interface surrounding boss structure, the present invention realizes that brush carrier is matched somebody with somebody with brush carrier fixed plate
The stability of the reliability and brush carrier size of conjunction.By in the first plane and/or the second plane in brush carrier fixed plate, enclose
Outwardly projection is provided with least the one of the surrounding of at least one brush carrier interface, brush carrier can be increased solid with brush carrier
Contact surface between fixed board, increases the adhesion between brush carrier and fixed plate, strengthens after assembling between brush carrier and brush carrier fixed plate
Fastening effect, prevent especially when motor works between brush carrier and brush carrier fixed plate occur loosen, affect motor it is normal
Service behaviour；The size (the tangential gap of brush, arm length equidimension) after brush carrier is coordinated with brush carrier fixed plate can also be stablized so that
Motor performance gets a promotion；Motor noise can also be reduced, EMC performances (Electro Magnetic Compatibility) etc. are improved.
Embodiment 2
The present embodiment is on the basis of embodiment 1, it is preferable that the brush carrier interface 13 is rectangular shape, and described convex
Play the position on 14 at least one side for being arranged at the rectangular shape brush carrier interface.This is the concrete of the brush carrier interface of the present invention
And preferred planform.
Preferably, the position on raised four sides for being arranged at the rectangular shape brush carrier interface simultaneously, forms square
The boss of shape shape.This is of the invention when brush carrier interface is rectangular shape, and raised preferred arrangement is arranged
On four sides of rectangle brush carrier interface to form the boss of rectangle, the work of increase contact area can be played to four direction
With.
Preferably, four projections are may be contained within first plane, and four projections are relative to the first plane
Outwardly identical preset height (or claiming predeterminable range)；
Or, four projections are may be contained within second plane, four it is described it is raised relative to the second plane to
Outer protrusion identical preset height (or claiming predeterminable range).
This be it is of the invention raised for four when, its specific set-up mode, be disposed on the same plane of fixed plate,
And identical predeterminable range is stretched out relative to the plane, and the rectangular boss that the boss forms a regular shape is enabled to, it is convenient
The brush carrier pin insertion of brush carrier simultaneously can form identical bending structure to four direction.
Preferably, four crownings of the boss of rectangular shape are plane, the shape together with the brush carrier interface
Into the structure of " returning " font.This is that to be formed a kind of excellent is matched with brush carrier interface after four of the present invention convex to form plane
Select version.
It is further preferred that the position relationship of four brush carrier interfaces 13 is arranged to rectangular shape, adjacent brush carrier
Into being symmetrical arranged between interface.
Embodiment 3
The present invention provides a kind of brush carrier fixed plate 1, and which is slab construction, including the first plane 11 and second being disposed opposite to each other
Plane 12, the fixed plate 1 include it is multiple can allow brush carrier 2 pass through and formed socket connection brush carrier interface 13, and
In first plane 11 and/or second plane 12, around brush carrier interface described at least one surrounding at least
The groove that (i.e. away from arrange the plane of groove, towards the plane for being not provided with groove) is provided with and caved inward at one (does not show in figure
Go out).
By in the first plane and/or the second plane in brush carrier fixed plate, around at least one brush carrier interface
Surrounding at least one at be provided with the groove for caving inward, the contact surface between brush carrier and brush carrier fixed plate can be increased, increase
Big adhesion between brush carrier and fixed plate, strengthens the fastening effect after assembling between brush carrier and brush carrier fixed plate, prevents especially
It is occur to loosen when motor works between brush carrier and brush carrier fixed plate, affects the normal working performance of motor；Electricity can also be stablized
Tangential gap, arm length equidimension are brushed, reduced motor noise, improved EMC performances (Electro Magnetic Compatibility) etc..
Embodiment 4
The present embodiment is on the basis of embodiment 3, it is preferable that the brush carrier interface 13 is rectangular shape, and described recessed
Groove is arranged at the position at least one side of the rectangular shape brush carrier interface.This be brush carrier interface concrete of the present invention and
Preferred planform.
Preferably, the groove is arranged at the position on four sides of the rectangular shape brush carrier interface simultaneously, forms square
The deep gouge of shape shape.This is of the invention when brush carrier interface is rectangular shape, and the preferred arrangement of groove is arranged
On four sides of rectangle brush carrier interface to form the deep gouge of rectangle, the work of increase contact area can be played to four direction
With.
Preferably, or, four grooves are may be contained within first plane, and four grooves are relative to first
The inside groove identical predetermined depth of plane (or claiming predeterminable range)；
Or, four grooves are may be contained within second plane, four grooves relative to the second plane to
Inner groovy identical predetermined depth (or claiming predeterminable range).
This be groove of the present invention be four when, its specific set-up mode, be disposed on the same plane of fixed plate,
And identical predeterminable range is stretched out relative to the plane, and the rectangle deep gouge that the deep gouge forms a regular shape is enabled to, it is convenient
The brush carrier pin insertion of brush carrier simultaneously can form identical bending structure to four direction.
Preferably, four concave faces of the groove of rectangular shape are plane, the shape together with the brush carrier interface
Into the structure of " returning " font.This is to match to be formed a kind of excellent after four grooves of the present invention form planes with brush carrier interface
Select version.
Embodiment 5
The present invention also provides a kind of brush motor, and which includes brush, brush carrier 2 and aforesaid brush carrier fixed plate 1, the brush carrier
It is connected with the brush carrier fixed plate by the brush carrier interface.It is flat by first in the brush carrier fixed plate of brush motor
Outwardly projection is provided with face and/or the second plane, at least the one of the surrounding of at least one brush carrier interface
Or the groove for caving inward, the contact surface between brush carrier and brush carrier fixed plate can be increased, between increase brush carrier and fixed plate
Adhesion, strengthens the fastening effect after assembling between brush carrier and brush carrier fixed plate, prevent especially when motor work brush carrier and
Occur to loosen between brush carrier fixed plate, affect the normal working performance of motor；After brush carrier and the cooperation of brush carrier fixed plate can also be stablized
Size (the tangential gap of brush, arm length equidimension) so that motor performance gets a promotion；Motor noise can also be reduced, improved
EMC performances (Electro Magnetic Compatibility) etc..
In the new brush carrier fixed plate structure of the present invention, the boss due to increased interface surrounding, after brush carrier pin bending
Two contact surfaces be increased with boss so that brush carrier is increased with the adhesion of fixed plate.Even if motor is transported in the case of vibrations
Turn, can also ensure that brush carrier is also not in loosen with the cooperation of fixed plate, the size that brush is coordinated with brush carrier can also be guaranteed,
The performance of last motor is also guaranteed.According to the different and brush carrier of brush size running stress size difference,
The size of interface boss can be adjusted accordingly to meet the requirement of combining ability.
Preferably, the brush carrier 2 includes brush carrier pin 21, and the brush carrier of the insertion brush carrier of brush carrier pin 21 fixed plate 1 is inserted
Bending is carried out after interface, projection 14 or groove phase with (i.e. at least partly position) at 13 surrounding of brush carrier interface at least is formed
The forge piece of step type structure 22 that matching is combined.This is the concrete of the projection or fit depressions in brush carrier pin and the fixed plate of the present invention
Version, by brush carrier pin is bent into forge piece of step type structure, can be connected with raised or fit depressions, so that two
Plural contact surface is formed between person, contact area is increase effectively, the adhesion between brush carrier and fixed plate is enhanced,
Prevent the two from loosening or even coming off.
Preferably, during the boss for convexing to form as rectangular shape when described, the boss of the brush carrier pin and rectangular shape
One side it is in mating connection, and the brush carrier pin of forge piece of step type structure 22 contacted with least three faces of the boss.This is this
Its mode that is preferably connected between rectangular boss when the brush carrier pin of the brush carrier of invention is forge piece of step type structure, forms at least
Three contact surfaces, can effectively increase the adhesion between brush carrier and fixed plate.
Preferably, each described brush carrier 2 includes four brush carrier pins 21, and the brush carrier fixed plate 1 includes more than four
The brush carrier interface 13, and four brush carrier interfaces 13 and four brush carrier pins 21 position correspond.
This is the preferred number of the brush carrier pin including brush carrier and the brush motor of brush carrier fixed plate with brush carrier interface of the present invention, by
There are four brush carrier pins to be firmly fixed to be formed in a brush carrier, therefore arrange and brush in the side of annular brush carrier fixed plate
Pin locations and the corresponding brush carrier interface of number are held, to fix the brush carrier；Four brush carriers are preferably also set up in opposite side to insert
Interface, to fix another brush carrier.
Preferably, the brush motor is brushed DC motor.This is the structure shape of the preferred brush motor of the present invention
Formula.
Those skilled in the art is it is easily understood that on the premise of not conflicting, above-mentioned each advantageous manner can be free
Ground combination, superposition.
Presently preferred embodiments of the present invention is the foregoing is only, not to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.With
Only it is the preferred embodiment of the present invention described in upper, it is noted that for those skilled in the art, not
On the premise of departing from the technology of the present invention principle, some improvement and modification can also be made, these improve and modification also should be regarded as this
The protection domain of invention.
Claims (10)
1. a kind of brush carrier fixed plate (1), it is characterised in that：Including the first plane (11) and the second plane (12) that are disposed opposite to each other,
Also include it is multiple run through the first plane and the second plane, brush carrier can be allowed pass through and formed socket connection brush carrier grafting
Mouthful (13), and in first plane and/or second plane, around four of brush carrier interface (13) described at least one
At least part of position in week is provided with outwardly projection (14) or the groove for caving inward.
2. brush carrier fixed plate according to claim 1, it is characterised in that：The brush carrier interface (13) is rectangular shape,
And the projection (14) or the groove are arranged at the position at least one side of the rectangular shape brush carrier interface.
3. brush carrier fixed plate according to claim 2, it is characterised in that：Described raised or described groove is arranged at institute simultaneously
The position on four sides of rectangular shape brush carrier interface is stated, the deep gouge of the boss or rectangular shape of rectangular shape is formed.
4. brush carrier fixed plate according to claim 3, it is characterised in that：It is flat that four projections may be contained within described first
On face, four projections are relative to the outwardly identical preset height of the first plane；
Or, four projections are may be contained within second plane, and four projections are relative to the second plane convex
Go out identical preset height；
Or, four grooves are may be contained within first plane, and four grooves concave relative to the first plane
Groove identical predetermined depth；
Or, four grooves are may be contained within second plane, and four grooves concave relative to the second plane
Groove identical predetermined depth.
5. the brush carrier fixed plate according to one of claim 3-4, it is characterised in that：Four of the boss of rectangular shape
Crowning is plane, and the structure of " returning " font is formed together with the brush carrier interface.
6. a kind of brush motor, it is characterised in that：Fix including the brush carrier described in one of brush, brush carrier (2) and claim 1-5
Plate (1), the brush carrier are connected with the brush carrier fixed plate by the brush carrier interface.
7. a kind of brush motor according to claim 6, it is characterised in that：The brush carrier includes brush carrier pin (21), institute
Bending is carried out after the brush carrier interface for stating brush carrier pin insertion brush carrier fixed plate, at formation and brush carrier interface surrounding at least
The forge piece of step type structure (22) that raised or groove match is combined.
8. a kind of brush carrier according to claim 7, it is characterised in that：When the boss convexed to form as rectangular shape
When, the brush carrier pin is in mating connection with the boss of rectangular shape, and the brush carrier pin of forge piece of step type structure with it is described
At least three faces of boss contact.
9. the brush motor according to one of claim 7-8, it is characterised in that：Each described brush carrier includes that four brush carriers draw
Foot, and the brush carrier fixed plate includes four brush carrier interfaces and four brush carrier interfaces and four brush carriers
The position of pin corresponds.
10. the brush motor according to one of claim 6-9, it is characterised in that：The brush motor is brushed DC electricity
Machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611059899.XA CN106533029A (en) | 2016-11-24 | 2016-11-24 | Brush holding fixing plate and brush motor with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611059899.XA CN106533029A (en) | 2016-11-24 | 2016-11-24 | Brush holding fixing plate and brush motor with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106533029A true CN106533029A (en) | 2017-03-22 |
Family
ID=58357372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611059899.XA Pending CN106533029A (en) | 2016-11-24 | 2016-11-24 | Brush holding fixing plate and brush motor with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106533029A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003088053A (en) * | 2001-09-07 | 2003-03-20 | Asmo Co Ltd | Brush device and motor using the same |
| JP2006211751A (en) * | 2005-01-25 | 2006-08-10 | Jidosha Denki Kogyo Co Ltd | Installation structure of motor brush holder |
| DE202015107159U1 (en) * | 2015-01-08 | 2016-02-04 | Wen-San Chou | Cooling structure of a motor |
| CN206283364U (en) * | 2016-11-24 | 2017-06-27 | 珠海格力电器股份有限公司 | Brush holding fixing plate and brush motor with same |
-
2016
- 2016-11-24 CN CN201611059899.XA patent/CN106533029A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003088053A (en) * | 2001-09-07 | 2003-03-20 | Asmo Co Ltd | Brush device and motor using the same |
| JP2006211751A (en) * | 2005-01-25 | 2006-08-10 | Jidosha Denki Kogyo Co Ltd | Installation structure of motor brush holder |
| DE202015107159U1 (en) * | 2015-01-08 | 2016-02-04 | Wen-San Chou | Cooling structure of a motor |
| CN206283364U (en) * | 2016-11-24 | 2017-06-27 | 珠海格力电器股份有限公司 | Brush holding fixing plate and brush motor with same |
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