CN108233584A - Motor - Google Patents
Motor Download PDFInfo
- Publication number
- CN108233584A CN108233584A CN201611196733.2A CN201611196733A CN108233584A CN 108233584 A CN108233584 A CN 108233584A CN 201611196733 A CN201611196733 A CN 201611196733A CN 108233584 A CN108233584 A CN 108233584A
- Authority
- CN
- China
- Prior art keywords
- circuit board
- bearing cage
- motor
- radial outside
- distance member
- 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
- 210000000078 claw Anatomy 0.000 claims description 17
- 230000002093 peripheral effect Effects 0.000 claims description 10
- 239000011230 binding agent Substances 0.000 claims description 3
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000005452 bending Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000000758 substrate Substances 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
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/163—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at only one end of the rotor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/0094—Structural association with other electrical or electronic devices
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The embodiment of the present application provides a kind of motor, which includes：Axis, rotor retainer, rotor magnet, parts of bearings, bearing cage part, stator, circuit board and distance member.Wherein, the bearing cage part has the flange part in the Directional Extension with the central axis upright, and the circuit board is fixed on the upper surface of the flange part by the distance member.According to the application, circuit board can be firmly fixed, and realizes the miniaturization of motor.
Description
Technical field
This application involves electro-mechanical arts more particularly to a kind of motors.
Background technology
In recent years, office equipment or household electrical appliance tend to minimize and be thinned.For the horse carried in these products
For reaching, also requirement miniaturization and slimming.
Patent document 1 (JP Laid-Open 10-108414A) provides a kind of motor, which has motor case portion and electricity
Base board, the motor case portion have the flat part overlapped in an axial direction with circuit board.In patent document 1, flat part setting
There are multiple through-holes, circuit board is provided with multiple mounting holes corresponding with the through-hole, by inserting the screws into the through-hole and installation
Case portion can be fastened and fixed by hole with circuit board.
Invention content
The inventors of the present application found that in above-mentioned reference paper 1, set respectively in motor case portion and circuit board
For the through-hole and mounting hole of mounting screw, segment space can be occupied, hinders the miniaturization of motor.
The application provides a kind of motor, and circuit board is fixed on to the flange part of bearing cage part by distance member
Upper surface thereby, it is possible to firmly fix circuit board, also, is saved for the space of the secure components such as mounting screw, energy
Enough realize the miniaturization of motor.
According to the embodiment of the present application in a first aspect, providing a kind of motor, have：
Axis, along the central axis configuration vertically extended；
Rotor retainer rotates together with the axis, and with cap and cylindrical portion；
Rotor magnet, it is cylindrical, and it is fixed on the inner peripheral surface of the cylindrical portion；
Parts of bearings is being pivotally supported described as that can rotate than the cap by the position on the downside of axial direction；
Bearing cage part, it is cylindrical, and the parts of bearings is held in the inner circumferential of the bearing cage part
Face；
Stator is configured at the radial outside of the bearing cage part, and opposite in radial direction and the rotor magnet；
Circuit board has at center through the opening portion of the insertion bearing cage part, and exists in the axial direction
The bearing cage part is fixed on than the position of the stator on the lower；And
Distance member is connect with the circuit board and the bearing cage part；
The bearing cage part has the flange part in the Directional Extension with the central axis upright, the circuit base
Plate is fixed on the upper surface of the flange part by the distance member.
According to the second aspect of the embodiment of the present application, wherein, the distance member has：
Canister portion vertically extends；And
Flat part is radially extended from the lower end of cartridge, the lower surface of the flat part and the circuit board
Upper surface contact.
According to the third aspect of the embodiment of the present application, wherein, the end of the radial outside of the flat part has to axial direction
Multiple claws of downside bending, the radial direction of the outer surface of the radial outside of the claw and the opening portion of the circuit board
The inner surface contact of inside.
According to the fourth aspect of the embodiment of the present application, wherein, the end of the radial outside of the flat part has to axial direction
Multiple claws of downside bending, have the seam cut out to radial outside, institute in the end of the opening portion of the circuit board
At least part for stating claw is located at the inside of the seam.
According to the 5th of the embodiment of the present application aspect, wherein, the inner peripheral surface of the cartridge of the distance member with it is described
The peripheral surface contact of bearing cage part.
According to the 6th of the embodiment of the present application aspect, wherein, the upper surface of the cartridge of the distance member with it is described
The lower surface contact of stator.
According to the 7th of the embodiment of the present application the aspect, wherein, the inner surface of the stator and the bearing cage part
It is provided between outer surface for fixed binding agent.
According to the eighth aspect of the embodiment of the present application, wherein, the end of the radial outside of the flat part has what is turned back
Protrusion has the seam cut out to radial outside in the end of the opening portion of the circuit board, and the protrusion is extremely
A few part is located at the inside of the seam.
The advantageous effect of the application is：Circuit board is firmly fixed, and realizes the miniaturization of motor.
With reference to following explanation and attached drawing, the particular implementation of the application is disclosed in detail, specifies the original of the application
Reason can be in a manner of adopted.It should be understood that presently filed embodiment is not so limited in range.In appended power
In the range of the spirit and terms of profit requirement, presently filed embodiment includes many changes, modifications and is equal.
Description of the drawings
Included attached drawing is used for providing being further understood from the embodiment of the present application, and which constitute one of specification
Point, for illustrating presently filed embodiment, and with word description come together to illustrate the principle of the application.Under it should be evident that
Attached drawing in the description of face is only some embodiments of the present application, for those of ordinary skill in the art, is not paying wound
Under the premise of the property made is laborious, other attached drawings are can also be obtained according to these attached drawings.In the accompanying drawings：
Fig. 1 is the schematic cross-section of an axial direction of the motor of the embodiment of the present application 1；
Fig. 2 is a vertical view of the circuit board of the embodiment of the present application 1；
The schematic top plan view that Fig. 3 is the distance member of the embodiment of the present application 1 and circuit board is installed together；
Fig. 4 is a shaft section schematic diagram along the O-O directions observation of Fig. 3.
Specific embodiment
With reference to attached drawing, by following specification, the aforementioned and other feature of the application will be apparent.In specification
In attached drawing, the particular implementation of the application is specifically disclosed, which show the portions for the principle that the application wherein may be used
Divide embodiment, it will thus be appreciated that the application is not limited to described embodiment, on the contrary, the application includes falling into appended power
Whole modifications, modification and equivalent in the range of profit requirement.
In addition, in the description below of the application, for convenience of description, by the radial direction centered on the axis of motor
Circumferencial direction centered on axis is known as " circumferential direction " by referred to as " radial direction ", will be known as " upper and lower directions " along the direction of axis, wherein,
In the upper and lower directions, the direction that circuit board is directed toward by stator is " upper direction ", and the direction opposite with " upper direction " is " lower section
To ".It should be noted that it is above-mentioned for upper direction, lower direction definition simply to illustrate that convenience, limit motor make
With with manufacture when direction.
Embodiment 1
The embodiment of the present application provides a kind of motor, and Fig. 1 is the schematic cross-section of an axial direction of the motor of the present embodiment.
As shown in Figure 1, motor 100 can include：Axis 101, rotor retainer 102, rotor magnet 103, parts of bearings
104, bearing cage part 105, stator 106, circuit board 107 and distance member 108.
In the present embodiment, axis 101 can be configured along the central axis C vertically extended；Rotor retainer 102
It can together be rotated with axis 101, and with cap 1021 and cylindrical portion 1022；Rotor magnet 103 can be cylindrical, and fixed
In the inner peripheral surface of cylindrical portion 1022；Parts of bearings 104 is supporting axis 101 for can by the position on the downside of axial direction than cap 1021
Rotation；Bearing cage part 105 can be cylindrical, and parts of bearings 104 can be held in the interior of bearing cage part 105
Circumferential surface；Stator 106 can be configured at the radial outside of bearing cage part 105, and opposite with rotor magnet 103 in radial direction；Electricity
Base board 107 has at center through the opening portion (not shown) for being inserted into bearing cage part 105, and in axial direction than stator
Bearing cage part 105 is fixed in 106 position on the lower；Distance member 108 and circuit board 107 and bearing cage part
105 connections.
In the present embodiment, bearing cage part 105 can have the flange in the Directional Extension with central axis upright
Portion 1051, also, circuit board 107 can be fixed on the upper surface of flange part 1051 by distance member 108.
In the present embodiment, circuit board is fixed on to the upper table of the flange part of bearing cage part by distance member
Face thereby, it is possible to firmly fix circuit board, also, is saved for the space of the secure components such as mounting screw, Neng Goushi
The miniaturization of existing motor.
Fig. 2 is a vertical view of the circuit board of the present embodiment.As shown in Fig. 2, in circuit board 107 through insertion
The end of the opening portion 1071 of bearing cage part 105 has the seam 1072 cut out to radial outside.
The schematic top plan view that Fig. 3 is the distance member 108 of the present embodiment and circuit board 107 is installed together, Fig. 4
It is a shaft section schematic diagram along the O-O directions observation of Fig. 3.
Shown in Fig. 3, Fig. 4, in the present embodiment, distance member 108 can have canister portion 1081 and flat part 1082.Its
In, canister portion 1081 can vertically extend；Flat part 1082 can be radially extended from the lower end of canister portion 1081；Also,
The lower surface of flat part 1081 can be contacted with the upper surface of circuit board 107.Thus, it is possible to pass through the flat of distance member 108
Plate portion 1081 carries out axially position to circuit board 107.
Shown in Fig. 3 and Fig. 4, in the present embodiment, the end of the radial outside of flat part 1082 can have under axial direction
Multiple claws 1083 of lateral bending folding, the outer surface of the radial outside of claw 1083 can be with the opening portion 1071 of circuit board 107
Radially inner side inner surface contact.Radial positioning is carried out to circuit board 107 by claw 1083 as a result,.
In the present embodiment, at least part of claw 1083 can be located at the inside of the seam 1072 of circuit board 107, by
This, carries out circuit board 107 by seam 1072 and claw 1083 circumferentially positioned.
Shown in Fig. 3 and Fig. 4, in the present embodiment, the end of the radial outside of flat part can have the protrusion to turn back
1084, at least part of the protrusion 1084 can be located at the inside of seam 1072.Pass through seam 1072 and protrusion 1084 as a result,
Circuit board 107 is carried out circumferentially positioned.
In the present embodiment, can make in the seam 1072 that a part for claw 1083 is located at；Alternatively, make protrusion 1084
At least part is located at the inside of seam 1072；Alternatively, more than two seams 1072 can also be provided with, also, make claw 1083
A part and protrusion 1084 a part respectively be located at different seams 1072 in.
As shown in Figure 1, in the present embodiment, the inner peripheral surface of the canister portion 1081 of distance member 108 can be with bearing cage
The peripheral surface contact of part 105 as a result, carries out bearing cage part 105 radial positioning, and then, to circuit board 107 into conduct
To positioning.
As shown in Figure 1, in the present embodiment, the upper surface of the canister portion 1081 of distance member 108 can under stator 106
Surface contacts, and carries out axially position to bearing cage part 105 as a result, and then, axially position is carried out to circuit board 107.
In the present embodiment, it can be set between the outer surface of the inner surface of stator 106 and bearing cage part 105 useful
In fixed binding agent, increase the fixing intensity between stator and bearing cage part as a result,.In the present embodiment, the bonding
Agent for example can be epoxy resin (epoxy) or other materials.
According to an embodiment of the present application, circuit board is fixed on to the flange part of bearing cage part by distance member
Upper surface thereby, it is possible to firmly fix circuit board, also, is saved for the space of the secure components such as mounting screw, energy
Enough realize the miniaturization of motor；In addition, by the flat part of distance member, axially position can be carried out to circuit board；In addition,
By the claw of distance member, radial positioning can be carried out to circuit board；In addition, the seam and spacer portion that pass through circuit board
The claw and/or protrusion of part carry out circuit board circumferentially positioned；In addition, by the canister portion of distance member, it can be to circuit
Substrate carries out axially position and/or radial positioning.
The application is described above in association with specific embodiment, it will be appreciated by those skilled in the art that this
A little descriptions are all exemplary, and are not the limitation to the application protection domain.Those skilled in the art can be according to the application
Spirit and principle various variants and modifications are made to the application, these variants and modifications are also within the scope of application.
Claims (8)
1. a kind of motor, has：
Axis, along the central axis configuration vertically extended；
Rotor retainer rotates together with the axis, and with cap and cylindrical portion；
Rotor magnet, it is cylindrical, and it is fixed on the inner peripheral surface of the cylindrical portion；
Parts of bearings is being pivotally supported described as that can rotate than the cap by the position on the downside of axial direction；
Bearing cage part, it is cylindrical, and the parts of bearings is held in the inner peripheral surface of the bearing cage part；
Stator is configured at the radial outside of the bearing cage part, and opposite in radial direction and the rotor magnet；
Circuit board has at center through the opening portion for being inserted into the bearing cage part, and in the axial direction than institute
It states the position of stator on the lower and is fixed on the bearing cage part；And
Distance member is connect with the circuit board and the bearing cage part,
It is characterized in that,
The bearing cage part has the flange part in the Directional Extension with the central axis upright,
The circuit board is fixed on the upper surface of the flange part by the distance member.
2. motor as described in claim 1, which is characterized in that
The distance member has：
Canister portion vertically extends；And
Flat part is radially extended from the lower end of cartridge,
The lower surface of the flat part is contacted with the upper surface of the circuit board.
3. motor as claimed in claim 2, which is characterized in that
The end of the radial outside of the flat part has the multiple claws bent to axial downside,
The outer surface of the radial outside of the claw and the inner surface of the radially inner side of the opening portion of the circuit board connect
It touches.
4. motor as claimed in claim 2, which is characterized in that
The end of the radial outside of the flat part has the multiple claws bent to axial downside,
There is the seam cut out to radial outside in the end of the opening portion of the circuit board,
At least part of the claw is located at the inside of the seam.
5. motor as claimed in claim 2, which is characterized in that
The inner peripheral surface of the cartridge of the distance member is contacted with the peripheral surface of the bearing cage part.
6. motor as claimed in claim 2, which is characterized in that
The upper surface of the cartridge of the distance member is contacted with the lower surface of the stator.
7. motor as claimed in claim 2, which is characterized in that
It is provided between the outer surface of the inner surface of the stator and the bearing cage part for fixed binding agent.
8. motor as claimed in claim 2, which is characterized in that
The end of the radial outside of the flat part has the protrusion to turn back,
There is the seam cut out to radial outside in the end of the opening portion of the circuit board,
At least part of the protrusion is located at the inside of the seam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611196733.2A CN108233584A (en) | 2016-12-22 | 2016-12-22 | Motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611196733.2A CN108233584A (en) | 2016-12-22 | 2016-12-22 | Motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108233584A true CN108233584A (en) | 2018-06-29 |
Family
ID=62656123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611196733.2A Pending CN108233584A (en) | 2016-12-22 | 2016-12-22 | Motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108233584A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102315745A (en) * | 2010-07-03 | 2012-01-11 | 日本电产株式会社 | Motor |
| CN102545458A (en) * | 2010-11-15 | 2012-07-04 | 日本电产株式会社 | Motor |
| CN204304715U (en) * | 2013-12-16 | 2015-04-29 | 日本电产株式会社 | The motor of ceiling fan and ceiling fan |
| CN104638840A (en) * | 2013-11-11 | 2015-05-20 | 日本电产株式会社 | Motor |
| CN205622411U (en) * | 2015-01-10 | 2016-10-05 | 日本电产株式会社 | Motor and have electronic equipment of this motor |
| CN205647222U (en) * | 2015-05-29 | 2016-10-12 | 日本电产株式会社 | Motor |
| CN205725350U (en) * | 2015-07-10 | 2016-11-23 | 日本电产株式会社 | Motor |
| CN205792124U (en) * | 2015-05-29 | 2016-12-07 | 日本电产株式会社 | Motor |
| CN206250885U (en) * | 2016-12-22 | 2017-06-13 | 日本电产（东莞）有限公司 | Motor |
-
2016
- 2016-12-22 CN CN201611196733.2A patent/CN108233584A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102315745A (en) * | 2010-07-03 | 2012-01-11 | 日本电产株式会社 | Motor |
| CN102545458A (en) * | 2010-11-15 | 2012-07-04 | 日本电产株式会社 | Motor |
| CN104638840A (en) * | 2013-11-11 | 2015-05-20 | 日本电产株式会社 | Motor |
| CN204304715U (en) * | 2013-12-16 | 2015-04-29 | 日本电产株式会社 | The motor of ceiling fan and ceiling fan |
| CN205622411U (en) * | 2015-01-10 | 2016-10-05 | 日本电产株式会社 | Motor and have electronic equipment of this motor |
| CN205647222U (en) * | 2015-05-29 | 2016-10-12 | 日本电产株式会社 | Motor |
| CN205792124U (en) * | 2015-05-29 | 2016-12-07 | 日本电产株式会社 | Motor |
| CN205725350U (en) * | 2015-07-10 | 2016-11-23 | 日本电产株式会社 | Motor |
| CN206250885U (en) * | 2016-12-22 | 2017-06-13 | 日本电产（东莞）有限公司 | Motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180629 |