CN105449900B - Plastic packaging external rotor electric machine with installation foot - Google Patents
Plastic packaging external rotor electric machine with installation foot Download PDFInfo
- Publication number
- CN105449900B CN105449900B CN201511011149.0A CN201511011149A CN105449900B CN 105449900 B CN105449900 B CN 105449900B CN 201511011149 A CN201511011149 A CN 201511011149A CN 105449900 B CN105449900 B CN 105449900B
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- CN
- China
- Prior art keywords
- plastic packaging
- stator
- rotor
- installation foot
- shaft
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/02—Casings or enclosures characterised by the material thereof
-
- 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
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- 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
- H02K5/161—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at both ends of the rotor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
Plastic packaging external rotor electric machine with installation foot, is related to a kind of external rotor electric machine.Existing external rotor electric machine is without installation leg structure, it is difficult to meet the installation of existing air-conditioning electric appliances.The present invention includes plastic packaging stator and plastic packaging outer rotor, the plastic packaging stator includes stator plastic packaging, stator module, wire clamp, the plastic packaging outer rotor includes shaftless rotor, shaft, rotor plastic packaging, the plastic packaging stator is equipped with fore bearing room and rear bearing chamber, and fore bearing room and rear bearing chamber are molded for direct plastic packaging；The plastic packaging stator is equipped with the installation foot that can match air conditioning appliance.The front and back bearings room integration plastic packaging molding of the technical program both can guarantee the concentricity of front and back bearings room, improve motor noise problem caused by bearing chamber bias, and can remove or reduce metal parts material from；With installation leg structure, the installation of existing air-conditioning electric appliances structure can be matched, is not related to the change of this mounting structure, it is easy to accomplish volume production.
Description
Technical field
The present invention relates to a kind of external rotor electric machines.
Background technology
Existing external rotor electric machine is without installation leg structure, it is difficult to meet the installation of existing air-conditioning electric appliances；Motor carries metal
Big end cap, rotor assembly carry metal chassis, and material cost is high；Motor coaxle degree is bad, and noise problem is relatively prominent.
Invention content
The technical problem to be solved in the present invention and the technical assignment of proposition are that prior art is improved and improved,
Plastic packaging external rotor electric machine with installation foot is provided, existing air-conditioning electric appliances cannot be installed on to solve current outer rotor motor structure
The drawbacks of and for the purpose of alleviating motor noise problem.For this purpose, the present invention takes following technical scheme.
Plastic packaging external rotor electric machine with installation foot, including plastic packaging stator and plastic packaging outer rotor, the plastic packaging stator include
Stator plastic packaging, stator module, wire clamp, the plastic packaging outer rotor include shaftless rotor, shaft, rotor plastic packaging, the plastic packaging
Stator is equipped with fore bearing room and rear bearing chamber, and fore bearing room and rear bearing chamber are molded for direct plastic packaging；The plastic packaging stator is set
The installation foot of air conditioning appliance can be matched by having.The molding of front and back bearings room integration plastic packaging both can guarantee the coaxial of front and back bearings room
Degree improves motor noise problem caused by bearing chamber bias, and can remove or reduce metal parts material from；With installation foot knot
Structure can match the installation of existing air-conditioning electric appliances structure, not be related to the change of this mounting structure, it is easy to accomplish volume production.
As further improving and supplementing to above-mentioned technical proposal, the invention also includes following additional technical features.
By BMC plastics, the plastic packaging directly on stator module and wire clamp is molded the stator plastic packaging；The rotor plastic packaging
By BMC plastics, plastic packaging is molded directly on shaftless rotor and shaft；The installation foot is that BMC expects in stator plastic packaging direct one
It is body formed.BMC plastics have excellent electric property, mechanical performance, heat resistance, chemical resistance, can be to a certain degree
Upper to replace metal chassis, manufacturing cost is low, and convenient processing and manufacture is quick, and can carry out post-processing processing.It is integrally formed, nothing
It must additionally manufacturing process support, structural strength is high.
Around the flange platform for being distributed in stator plastic packaging outer rim, the centre of each installation foot is equipped with multiple installation feet
Mounting hole.Multiple installation feet are simple and reliable by the mounting means of mounting hole convenient for firm installation air-conditioning electric appliances.
The installation foot is protruded outward in flange platform, and the both ends of the surface of the flange platform and installation foot are flat
The outer rim of the both ends of the surface of face, flange platform and installation foot is equipped with along all blank steps.Planar end process and it is easy for installation, along week
Blank step can not only save material, optimize structure, and can reduce the edge contraction distortion of plastics, promote concentricity.
The installation foot quantity is 3 or 4, and uniform ring is around the flange platform for being distributed in plastic packaging stator.Uniform ring around
The installation foot of distribution helps to promote concentricity.
The bottom periphery that the stator plastic packaging is located at rear bearing chamber is provided with a circumferential sealed end cover slot, stator modeling
Envelope makes rear bearing chamber be closed in inside motor by the end cover of build-in in sealed end cover slot.It is used by end cover real
Now better waterproof effect.
The top center of the rotor plastic packaging is equipped with the shaft fixing block of protrusion, the endoporus side of the shaft fixing block
Face directly contacts fixation with shaft side, and the shaft fixing block is downwardly convex bearing briquetting, the bearing briquetting pressure
The firmly upper surface inside line of bearing, the rotor plastic packaging, which is located at around the shaft fixing block of top to surround, is evenly equipped with multiple add
Strengthening tendons.It is directly fixed in the shaft fixing block of rotor plastic packaging by shaft, and bearing is pushed down by bearing briquetting, eliminate card
The structures such as spring reduce material cost；By shaft fixing block at the top of rotor plastic packaging around uniformly distributed reinforcing rib structure, saving
BMC improves plastic package rotor intensity in the case of expecting.
The inside of the flange platform is equipped with rotor foot slot, and the plastic packaging outer rotor bottom turns along the insertion of all end feets
In sub- foot slot, gap, the flange platform are equipped between the bottom end face and the bottom surface of rotor foot slot along all end feets
It is connected to rotor foot slot equipped with rhone.In the case of motor entering water, the structure is convenient for draining.
The shaft fixing block inner hole part that the shaft is combined with rotor plastic packaging is equipped with circumferentially around slot, the BMC
Plastics are in plastic packaging in shaft directly around Slot shaping combination muscle.The binding force for enhancing shaft and rotor plastic packaging, prevents circumferential direction
Rotationally and axially move.
The axis direction that goes out of the shaft includes preceding unidirectional shaft, rear unidirectional three kinds of shaft, front and back two-way shaft shaft sides
Formula.The installation requirement that different ontologies, various structures can be met improves the utilization rate of plastic package die.
Advantageous effect：It is molded by front and back bearings room integration plastic packaging, effectively reduces the noise of external rotor electric machine, reduced
Motor material cost can realize a variety of shaft modes, be convenient for water-proof drainage, meet different installation requirements, can directly pacify
Loaded on existing air-conditioning class ontology, it is easy to accomplish volume production.
Description of the drawings
Fig. 1 is schematic structural view of the invention.
Fig. 2 is overlooking structure figure of the present invention.
Fig. 3 is sectional view of the present invention.
In figure：1- plastic packaging outer rotors；2- plastic packaging stators；3- shafts；4- installation feet；5- wire clamps；6- mounting holes；7- outer edge sides
Face；8- flange platforms；9- is along all blank steps；10- circumferential grooves；11- fore bearings room；Bearing chamber after 12-；13- stator plastic packagings；
14- rotor plastic packagings；The shaftless rotors of 15-；16- stator modules；17- rhones；18- reinforcing ribs；19- shaft fixing blocks；20- is along week
End feet；21- rotor foot slots；22- end covers；23- sealed end cover slots；24- bearing briquettings.
Specific implementation mode
Technical scheme of the present invention is described in further detail below in conjunction with Figure of description.
As shown in Figure 1, the plastic packaging external rotor electric machine with installation foot, including plastic packaging stator 2 and plastic packaging outer rotor 1, it is described
Plastic packaging stator 2 includes stator plastic packaging 13, stator module 16, wire clamp 5, and the plastic packaging outer rotor 1 includes shaftless rotor 15, shaft
3, rotor plastic packaging 14.
In order to ensure the concentricity of front and back bearings room, improves motor noise problem caused by bearing chamber bias, reduce motor
Manufacturing cost, fore bearing room 11 and rear bearing chamber 12 set by the plastic packaging stator 2 are the molding of direct plastic packaging, the stator
By BMC plastics, the plastic packaging directly on stator module 16 and wire clamp 5 is molded plastic packaging 13；The rotor plastic packaging 14 is straight by BMC plastics
Plastic packaging in shaftless rotor 15 and shaft 3 is connected on to be molded.
In order to match the installation of existing air-conditioning electric appliances structure, the plastic packaging stator 2, which is equipped with, can match air-conditioning
The installation foot 4 of electric appliance, the installation foot 4 are that BMC material are directly integrally formed in stator plastic packaging, and multiple installation feet are equal
Even to surround the flange platform 8 for being distributed in 2 outer rim of plastic packaging stator, the centre of each installation foot is equipped with mounting hole 6, the installation foot
4 protrude outward in flange platform 8, and the both ends of the surface of the flange platform 8 and installation foot 4 are same level, flange platform 8 and
The outer rim of 4 both ends of the surface of installation foot is equipped with along all blank steps 9.In this example, the quantity of the established angle 4 is 4.
In order to save clamp spring, simplify structure, and reduce material cost, improving plastic packaging in the case where saving BMC material turns
Sub- intensity, the top center of the rotor plastic packaging 14 are equipped with the shaft fixing block 19 of protrusion, the shaft fixing block 19
Endoporus side directly contacts fixation with 3 side of shaft, and the shaft fixing block 19 is downwardly convex bearing briquetting 24, described
Bearing briquetting 24 pushes down the upper surface inside line of bearing, and the rotor plastic packaging 14 is located at around top shaft fixing block 19
It surround and is evenly equipped with multiple reinforcing ribs 18.
In order to enhance the binding force of shaft 3 and rotor plastic packaging 14, preventing from circumferentially rotating and move axially, the shaft 3
19 inner hole part of shaft fixing block combined with rotor plastic packaging 14 is equipped with circumferentially around slot 10, and the BMC plastics are in shaft 3
When plastic packaging directly muscle is combined in the molding of circumferential groove 10.
In order to which in the case of motor entering water, convenient for draining, the inside of the flange platform 8 is equipped with rotor foot slot 21,
1 bottom of plastic packaging outer rotor is embedded in along all end feets 20 in rotor foot slot 21, the bottom end face along all end feets 20
Gap is equipped between the bottom surface of rotor foot slot 21, the flange platform 8 is connected to equipped with rhone 17 with rotor foot slot 21.
In order to realize that good waterproof effect, the bottom periphery that the stator plastic packaging 13 is located at rear bearing chamber 12 are equipped with ring
Around sealed end cover slot 23, the stator plastic packaging 13 makes rear bearing chamber by the end cover 22 of build-in in sealed end cover slot 23
12 are closed in inside motor.
In order to meet the installation requirement of different ontologies, various structures, the utilization rate of mold is improved, the shaft 3
It includes preceding unidirectional shaft, rear unidirectional three kinds of shaft, front and back two-way shaft shaft modes to go out axis direction.
It is plastic packaging manufacturing process below：
Stator module 16, wire clamp 5 are placed on mold cores, plastic package die is closed,
BMC plastic packaging materials are then injected into, the molding of plastic packaging stator 2 is completed by specified molding parameter.
Shaftless rotor 15, shaft 3 are placed on mold cores, are closed plastic package die, so
BMC plastic packaging materials are injected afterwards, and the molding of plastic packaging outer rotor 1 is completed by specified molding parameter.
Finally, sealing cover is pressed into the sealing cover slot of plastic packaging stator 2, plastic packaging stator 2 and plastic packaging outer rotor 1 is assembled into
External rotor electric machine, then water proof ring is pressed into the waterproof ring recess of plastic packaging stator 2.Finally, plastic packaging stator 2 and plastic packaging outer rotor 1 are logical
Cross bearing, clamp spring is combined together, press upper end cover to be assembled into complete machine at rear bearing chamber 12.
The plastic packaging external rotor electric machine with installation foot is specific embodiments of the present invention shown in figure 1 above -3, has been embodied
Go out substantive distinguishing features of the present invention and progress, can according to it is actual use needs, under the inspiration of the present invention, it is carried out shape,
The equivalent modifications of structure etc., the row in the protection domain of this programme.
Claims (9)
1. the plastic packaging external rotor electric machine with installation foot, including plastic packaging stator（2）With with plastic packaging stator（2）Turn outside the plastic packaging of phase build-in
Son（1）, the plastic packaging stator（2）Including stator plastic packaging（13）, stator module（16）, wire clamp（5）, the plastic packaging outer rotor
（1）Including shaftless rotor（15）, shaft（3）, rotor plastic packaging（14）, it is characterised in that：The plastic packaging stator（2）Equipped with front axle
Hold room（11）With rear bearing chamber（12）, fore bearing room（11）With rear bearing chamber（12）It is molded for direct plastic packaging；The plastic packaging is fixed
Son（2）Equipped with the installation foot that can match air conditioning appliance（4）；The rotor plastic packaging（14）Top center be equipped with protrusion turn
Axis fixed seat（19）, the shaft fixing block（19）Endoporus side directly and shaft（3）Side contact is fixed, and described turns
Axis fixed seat（19）It is downwardly convex to have bearing briquetting（24）, the bearing briquetting（24）Push down the upper surface inside portion of bearing
Position, the rotor plastic packaging（14）Positioned at top shaft fixing block（19）Around around being evenly equipped with multiple reinforcing ribs（18）.
2. the plastic packaging external rotor electric machine according to claim 1 with installation foot, it is characterised in that：The stator plastic packaging
（13）By BMC plastics directly in stator module（16）And wire clamp（5）Upper plastic packaging molding；The rotor plastic packaging（14）It is moulded by BMC
Material is directly in shaftless rotor（15）And shaft（3）Upper plastic packaging molding；The installation foot（4）It is straight in stator plastic packaging for BMC material
Connect integrated molding.
3. the plastic packaging external rotor electric machine according to claim 2 with installation foot, it is characterised in that：Multiple installation feet
（4）It surround and is distributed in stator plastic packaging（13）The flange platform of outer rim（8）, each installation foot（4）Centre be equipped with mounting hole（6）.
4. the plastic packaging external rotor electric machine according to claim 3 with installation foot, it is characterised in that：The installation foot（4）
It protrudes outward in flange platform（8）, the flange platform（8）And installation foot（4）Both ends of the surface be same level, flange is flat
Platform（8）And installation foot（4）Both ends of the surface outer rim be equipped with along all blank steps（9）.
5. the plastic packaging external rotor electric machine according to claim 4 with installation foot, it is characterised in that：The installation foot（4）
Quantity is 3 or 4, and uniform ring is around being distributed in plastic packaging stator（2）Flange platform（8）.
6. the plastic packaging external rotor electric machine according to claim 1 with installation foot, it is characterised in that：The stator plastic packaging
（13）Positioned at rear bearing chamber（12）Bottom periphery be provided with a circumferential sealed end cover slot（23）, the stator plastic packaging（13）Pass through
Sealed end cover slot（23）The end cover of middle build-in（22）Make rear bearing chamber（12）It is closed in inside motor.
7. the plastic packaging external rotor electric machine according to claim 4 with installation foot, it is characterised in that：The flange platform
（8）Inside be equipped with rotor foot slot（21）, the plastic packaging outer rotor（1）Bottom along all end feets（20）Embedded rotor foot slot
（21）In, it is described along all end feets（20）Bottom end face and rotor foot slot（21）Bottom surface between be equipped with gap, described is convex
Edge platform（8）Equipped with rhone（17）With rotor foot slot（21）Connection.
8. the plastic packaging external rotor electric machine according to claim 7 with installation foot, it is characterised in that：The shaft（3）With
Rotor plastic packaging（14）In conjunction with shaft fixing block（19）Inner hole part is equipped with circumferentially around slot（10）, the BMC plastics are turning
Axis（3）Directly in circumferential groove when upper plastic packaging（10）Molding combines muscle.
9. the plastic packaging external rotor electric machine according to claim 8 with installation foot, it is characterised in that：The shaft（3）'s
It includes preceding unidirectional shaft, rear unidirectional three kinds of shaft, front and back two-way shaft shaft modes to go out axis direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511011149.0A CN105449900B (en) | 2015-12-30 | 2015-12-30 | Plastic packaging external rotor electric machine with installation foot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511011149.0A CN105449900B (en) | 2015-12-30 | 2015-12-30 | Plastic packaging external rotor electric machine with installation foot |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105449900A CN105449900A (en) | 2016-03-30 |
| CN105449900B true CN105449900B (en) | 2018-08-07 |
Family
ID=55559801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511011149.0A Active CN105449900B (en) | 2015-12-30 | 2015-12-30 | Plastic packaging external rotor electric machine with installation foot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105449900B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113386152B (en) * | 2021-06-29 | 2022-09-23 | 重庆大学 | Six-axis polishing robot |
| CN114243981B (en) * | 2022-01-10 | 2023-05-12 | 卧龙电气驱动集团股份有限公司 | Permanent magnet outer rotor motor |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205231888U (en) * | 2015-12-30 | 2016-05-11 | 卧龙电气集团股份有限公司 | Take plastic envelope external rotor electric machine of installation foot |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA938331A (en) * | 1970-01-29 | 1973-12-11 | W. Dochterman Richard | Dynamoelectric machine and method of making same |
| CN2390343Y (en) * | 1999-07-02 | 2000-08-02 | 浙江卧龙电机股份有限公司 | Conjoined type bearing chamber for plastic sealed electric machine |
| CN201226465Y (en) * | 2008-06-26 | 2009-04-22 | 中山大洋电机股份有限公司 | External rotor motor |
| CN202364090U (en) * | 2011-12-09 | 2012-08-01 | 苏州金莱克汽车电机有限公司 | Brushless motor with ball bearing structure |
| CN203377713U (en) * | 2013-07-16 | 2014-01-01 | 广东威灵电机制造有限公司 | An external rotor motor |
-
2015
- 2015-12-30 CN CN201511011149.0A patent/CN105449900B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205231888U (en) * | 2015-12-30 | 2016-05-11 | 卧龙电气集团股份有限公司 | Take plastic envelope external rotor electric machine of installation foot |
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| Publication number | Publication date |
|---|---|
| CN105449900A (en) | 2016-03-30 |
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Address after: 312300 No. 1801 Renmin West Road, Shaoxing, Zhejiang, Shangyu Co-patentee after: Zhejiang Wolong Household Electric Machinery Co., Ltd. Patentee after: Wolong Electric Drive Group Co., Ltd. Address before: 312300 No. 1801 Renmin West Road, Shaoxing, Zhejiang, Shangyu Co-patentee before: Zhejiang Wolong Household Electric Machinery Co., Ltd. Patentee before: Wolong Electric Group Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder |