CN108916255A - For the spline housing of motor, rotor assembly, motor and household electrical appliance - Google Patents
For the spline housing of motor, rotor assembly, motor and household electrical appliance Download PDFInfo
- Publication number
- CN108916255A CN108916255A CN201811091093.8A CN201811091093A CN108916255A CN 108916255 A CN108916255 A CN 108916255A CN 201811091093 A CN201811091093 A CN 201811091093A CN 108916255 A CN108916255 A CN 108916255A
- Authority
- CN
- China
- Prior art keywords
- spline housing
- injection molding
- tooth
- ontology
- position part
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/10—Quick-acting couplings in which the parts are connected by simply bringing them together axially
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/003—Couplings; Details of shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/10—Quick-acting couplings in which the parts are connected by simply bringing them together axially
- F16D2001/103—Quick-acting couplings in which the parts are connected by simply bringing them together axially the torque is transmitted via splined connections
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The present invention provides a kind of spline housing for motor, rotor assembly, motor and household electrical appliance, spline housing for motor includes spline housing ontology, it is molded tooth and axially position part, spline housing ontology is cylindrical, injection molding tooth is arranged on the periphery wall of spline housing ontology, axially position part extends along the radial periphery wall from spline housing ontology of spline housing ontology to the direction far from the periphery wall, minimum range between the edge of axially position part and the central axis of spline housing ontology is greater than the maximum distance between injection molding tooth and the central axis of spline housing ontology, multiple through-holes circumferentially of axially locating piece are offered on axially position part, through-hole axially penetrates through axially position part along be parallel to spline housing ontology.The spline housing can increase the reliability in conjunction with rotor after plastic packaging.
Description
Technical field
The present invention relates to motor fields, specifically, be related to it is a kind of for the spline housing of motor, with the spline housing
Rotor assembly, motor and household electrical appliance.
Background technique
The existing spline housing for rotor is mostly hexagonal spline housing, and this spline housing is after moulding, antitorque
Intensity is low, and the torque that can be undertaken is smaller, and when longtime running waits for that loading capability is lower, while the service life is short.
Summary of the invention
The first object of the present invention is to provide after a kind of plastic packaging the use that can increase reliability of the spline housing in conjunction with rotor
In the spline housing of motor.
The second object of the present invention is to provide a kind of rotor assembly with above-mentioned spline housing.
The third object of the present invention is to provide a kind of motor with above-mentioned spline housing.
The fourth object of the present invention is to provide a kind of household electrical appliance with above-mentioned motor.
To realize that above-mentioned first purpose, the present invention provide a kind of spline housing for motor, including spline housing ontology, injection molding
Tooth and axially position part, spline housing ontology is cylindrical, and injection molding tooth is arranged on the periphery wall of spline housing ontology, axially position part
Extend along the radial periphery wall from spline housing ontology of spline housing ontology to the direction far from the periphery wall, axially position part
Minimum range between edge and the central axis of spline housing ontology is greater than between injection molding tooth and the central axis of spline housing ontology most
Big distance, offers multiple through-holes circumferentially of axially locating piece on axially position part, and through-hole is along being parallel to flower
Key set ontology axially penetrates through axially position part.
One Preferable scheme is that, the middle part of spline housing ontology axial direction is arranged in axially position part.
Further embodiment is that injection molding tooth includes the first injection molding tooth and second for being separately positioned on the two sides of axially position part
It is molded tooth.
Further scheme is that one first injection molding tooth is oppositely arranged with one second injection molding tooth.
Further scheme is, multiple through-holes include multiple first through hole and multiple second through-holes, first through hole and the
The setting of two through-hole intervals, an injection molding tooth are correspondingly arranged with a first through hole, and first through hole is located at injection molding tooth far from spline housing
The side of ontology, the second through-hole are located between two injection molding teeth in the circumferential direction of spline housing.
Further embodiment is that the center of circle of multiple first through hole is formed by circular diameter greater than multiple second through-holes
The center of circle is formed by circular diameter.
One Preferable scheme is that, first injection molding tooth with second is molded tooth Heterogeneous Permutation.
One Preferable scheme is that, the quantity for being molded tooth is no less than four, multiple injection molding teeth along spline housing ontology week
To being evenly arranged.
One Preferable scheme is that, be molded tooth thickness be not less than spline housing body thickness one third.
One Preferable scheme is that, the thickness of axially position part is equal to the one third of the thickness of injection molding tooth.
One Preferable scheme is that, the radial section for being molded tooth is rectangle or trapezoidal or arch or sector.
To realize that above-mentioned second purpose, the present invention provide a kind of rotor assembly, including rotor and above-mentioned for motor
Spline housing, spline housing is located in rotor and setting coaxial with rotor.
One Preferable scheme is that, rotor assembly further includes shaft, and spline housing ontology is provided centrally with pilot hole, spline
It covers and is provided with multiple tooth sockets on the internal perisporium of ontology, shaft is threaded through in pilot hole and connect with tooth socket fit.
To realize that above-mentioned third purpose, the present invention provide a kind of motor, including stator module and above-mentioned rotor assembly.
To realize that above-mentioned 4th purpose, the present invention provide a kind of household electrical appliance, household electrical appliance include above-mentioned motor.
The invention has the advantages that axially position part is arranged on the periphery wall of spline housing ontology can increase spline
Set and the contact surface of rotor, to make the axially contact more firm of spline housing and rotor.In addition, axially position part is arranged in spline
The middle part for covering ontology axial direction, when injection molding, spline housing is embedded in internal rotor, can play the role of axial limiting, reinforce simultaneously
Spline housing and the integrally-built intensity of rotor.In addition, when injection molding tooth negligible amounts, spline housing internal stress when rotor high-speed cruising
It concentrates, influences rotor life, the more injection molding teeth of present invention setting can make stress evenly dispersed, increase rotor reliability, from
And it is made steadily to work.Meanwhile be molded tooth can also play circumferentially positioned effect, when preventing motor from working, spline housing with
Rotor is detached from.Through-hole is opened up on axially position part can increase contact area with capsulation material, thus increase forced area,
The bond strength of spline housing and rotor entirety is improved, meanwhile, through-hole plays recirculation hole in injection molding.
Detailed description of the invention
Fig. 1 is the structure chart of washing machine embodiment of the present invention.
Fig. 2 is the partial enlarged view in Fig. 1 at A.
Fig. 3 is the structure chart of rotor assembly embodiment of the present invention.
Fig. 4 is the structural exploded view of rotor assembly embodiment of the present invention.
Fig. 5 is the structure chart at the first visual angle of spline housing in rotor assembly embodiment of the present invention.
Fig. 6 is the structure chart at the second visual angle of spline housing in rotor assembly embodiment of the present invention.
Fig. 7 is the structure chart at spline housing third visual angle in rotor assembly embodiment of the present invention.
The invention will be further described with reference to the accompanying drawings and embodiments.
Specific embodiment
The household electrical appliance of the present embodiment are washing machine, since washing machine of the present invention uses spline housing of the present invention, rotor set
Part and motor have included to implement in the explanation of washing machine embodiment to spline housing embodiment, rotor assembly embodiment and motor
The explanation of example.Spline housing, rotor assembly and motor of the invention is not limited to apply on washing machine, can also apply in other families
On electrical appliance, main purpose is reliability of the increase spline housing in conjunction with rotor after plastic packaging.
Referring to Fig. 1, washing machine includes washing machine body 1 and motor, and motor is connect with the drum driven in washing machine body 1
And for driving roller to rotate, motor includes stator module 101 and rotor assembly 102, and stator module 101 is located at rotor assembly
102 insides.
Referring to fig. 2 to Fig. 7, rotor assembly 102 includes rotor 2, spline housing 3 and shaft 4, and spline housing 3 is located in rotor 2 simultaneously
Setting coaxial with rotor 2.Spline housing 3 includes integrally formed spline housing ontology 31, injection molding tooth 32 and axially position part 33, spline
Set ontology 31 is cylindrical, and spline housing ontology 31 is provided centrally with pilot hole 311, is arranged on the internal perisporium of spline housing ontology 31
There are multiple tooth sockets 312, shaft 4 is threaded through in pilot hole 311 and is cooperatively connected with tooth socket 312.Tooth 32 is molded to be arranged in spline housing
On the periphery wall of ontology 31, the thickness h 1 of injection molding tooth 32 is not less than the one third of 31 thickness h 2 of spline housing ontology.It is molded tooth 32
Quantity be no less than four, multiple injection molding being arranged circumferentially along spline housing ontology 31 of tooth 32.Preferably, in the present embodiment
The quantity for being molded tooth 32 is 12.The radial section for being molded tooth 32 can be rectangle or trapezoidal or arch or polygon or sector
Deng.
Injection molding tooth 32 includes the first injection molding tooth 321 and the second injection molding tooth for being separately positioned on the two sides of axially position part 33
322.The quantity of first injection molding tooth 321 and the second injection molding tooth 322 is equal, and one first injection molding tooth 321 and one second injection molding
Tooth 322 is oppositely arranged.In addition, in other embodiments, the first injection molding tooth 321 and the second injection molding tooth 322 can also be with the rows of dislocation
The mode of column arranges that specifically, in the axial direction for being parallel to spline housing ontology 31, first is molded tooth 321 and two neighboring second
Gap between injection molding tooth 322 is oppositely arranged.
The axial middle part of spline housing ontology 31 is arranged in axially position part 33, and the thickness h 3 of axially position part 33 is equal to injection molding
The one third of the thickness h 1 of tooth 32.Axially position part 33 is along the radial from the periphery of spline housing ontology 31 of spline housing ontology 31
Wall extends to the direction far from the periphery wall, the minimum between the edge of axially position part 33 and the central axis of spline housing ontology 31
Distance is greater than the maximum distance between injection molding tooth 32 and the central axis of spline housing ontology 31, due to locating piece axial in the present embodiment
33 is substantially annular in shape, therefore the outside diameter d 1 of axially position part 33 is formed by circular diameter greater than the periphery wall of injection molding tooth 32
D5, and the outside diameter d 1 of axially position part 33 is less than three times of the internal diameter d2 of spline housing ontology 31.In addition, the diameter of axially position part 33
It may be the other shapes such as polygon to the shape in section.
Multiple through-holes circumferentially of axially locating piece 33 are offered on axially position part 33, through-hole is along parallel
Axially position part 33 is axially penetrated through in spline housing ontology 31.
Multiple through-holes include multiple first through hole 331 and multiple second through-holes 332, first through hole 331 and the second through-hole 332
Interval setting, one first injection molding tooth 321 are correspondingly arranged with a first through hole 331, and first through hole 331 is located at the first injection molding tooth
321 sides far from spline housing ontology 31, the second through-hole 332 be located in the circumferential direction of spline housing 3 two first injection molding teeth 321 it
Between.The center of circle of multiple first through hole 331 is formed by circular diameter d3 and is formed by greater than the center of circle of multiple second through-holes 332
Circular diameter d4, such first through hole 331 arranged in a manner of Heterogeneous Permutation with the second through-hole 332, can be in axially position
More through-holes are arranged on part 33, while increasing spline housing 3 and 2 contact area of rotor, it can also be ensured that 3 entirety of spline housing
Intensity.
Therefore it axially position part is set on the periphery wall of spline housing ontology can increase connecing for spline housing and rotor
Contacting surface, to make the axially contact more firm of spline housing and rotor.In addition, spline housing ontology axial direction is arranged in axially position part
Middle part, when injection molding, spline housing is embedded in internal rotor, can play the role of axial limiting, while reinforcing spline housing and rotor
Integrally-built intensity.In addition, spline housing internal stress is concentrated when rotor high-speed cruising when injection molding tooth negligible amounts, influence to turn
Sub- service life, the more injection molding teeth of present invention setting can make stress evenly dispersed, increase rotor reliability, to make it steadily
Work.Meanwhile injection molding tooth can also play circumferentially positioned effect, when preventing motor from working, spline housing and rotor are detached from.In axis
Through-hole is opened up on locating piece can increase contact area with capsulation material, to increase forced area, improve spline housing with
The bond strength of rotor entirety, meanwhile, through-hole plays recirculation hole in injection molding.
Finally, it should be noted that the present invention is not limited to above-mentioned embodiment, if those skilled in the art
It is enlightened by it, without departing from the spirit of the invention, is not inventively designed similar with the technical solution
Frame mode and embodiment should all be fallen within claims of the invention.
Claims (15)
1. it is used for the spline housing of motor, including
Spline housing ontology, the spline housing ontology are cylindrical；
It is characterized in that, the spline housing further includes：
It is molded tooth, the injection molding tooth is arranged on the periphery wall of the spline housing ontology；
Axially position part, the axially position part is along the spline housing ontology radially from the periphery wall of the spline housing ontology
Extend to the direction far from the periphery wall, between the edge of the axially position part and the central axis of the spline housing ontology most
Small distance is greater than the maximum distance between the injection molding tooth and the central axis of the spline housing ontology, opens on the axially position part
Equipped with multiple through-holes circumferentially along the axially position part, the through-hole is along being parallel to the spline housing ontology
Axially penetrate through the axially position part.
2. spline housing according to claim 1, it is characterised in that：
The middle part of the spline housing ontology axial direction is arranged in the axially position part.
3. spline housing according to claim 1 or 2, it is characterised in that：
The injection molding tooth includes the first injection molding tooth and the second injection molding tooth for being separately positioned on axially position part two sides.
4. spline housing according to claim 3, it is characterised in that：
One first injection molding tooth is oppositely arranged with the second injection molding tooth.
5. spline housing according to claim 4, it is characterised in that：
Multiple through-holes include multiple first through hole and multiple second through-holes, the first through hole and second through-hole interval
Setting, the first injection molding tooth are correspondingly arranged with a first through hole, and the first through hole is located at first note
Side of the tooth far from the spline housing ontology is moulded, second through-hole is located at two described first in the circumferential direction of the spline housing
It is molded between tooth.
6. spline housing according to claim 5, it is characterised in that：
The center of circle of multiple first through hole is formed by circular diameter and is formed greater than the center of circle of multiple second through-holes
Circular diameter.
7. spline housing according to claim 3, it is characterised in that：
The first injection molding tooth and the second injection molding tooth Heterogeneous Permutation.
8. spline housing according to claim 1 or 2, it is characterised in that：
The quantity of the injection molding tooth is no less than four, multiple injection molding teeth along the spline housing ontology circumferentially.
9. spline housing according to claim 1 or 2, it is characterised in that：
The thickness of the injection molding tooth is not less than the one third of the spline housing body thickness.
10. spline housing according to claim 1 or 2, it is characterised in that：
The thickness of the axially position part is equal to the one third of the thickness of the injection molding tooth.
11. spline housing according to claim 1 or 2, it is characterised in that：
The radial section of the injection molding tooth is rectangle or trapezoidal or arch or sector.
12. rotor assembly, including the described in any item spline housings for motor of rotor and claim 1 to 11, the spline
Set is located in the rotor and setting coaxial with the rotor.
13. rotor assembly according to claim 12, it is characterised in that：
The rotor assembly further includes shaft, and the spline housing ontology is provided centrally with pilot hole, the spline housing ontology
Multiple tooth sockets are provided on internal perisporium, the shaft is threaded through in the pilot hole and connect with the tooth socket fit.
14. motor, including stator assembly and rotor assembly, the rotor assembly is rotor set described in claim 12 or 13
Part.
15. household electrical appliance, the household electrical appliance include motor described in claim 14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811091093.8A CN108916255B (en) | 2018-09-19 | 2018-09-19 | Spline housing for motor, rotor assembly, motor and household appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811091093.8A CN108916255B (en) | 2018-09-19 | 2018-09-19 | Spline housing for motor, rotor assembly, motor and household appliance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108916255A true CN108916255A (en) | 2018-11-30 |
| CN108916255B CN108916255B (en) | 2023-08-22 |
Family
ID=64409145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811091093.8A Active CN108916255B (en) | 2018-09-19 | 2018-09-19 | Spline housing for motor, rotor assembly, motor and household appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108916255B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0300596A1 (en) * | 1987-07-22 | 1989-01-25 | Concentric Pumps Limited | Water pump impeller |
| CN203278429U (en) * | 2013-06-03 | 2013-11-06 | 浙江三星机电股份有限公司 | External rotor of direct-drive (DD) motor |
| US20150295457A1 (en) * | 2014-04-14 | 2015-10-15 | Asmo Co., Ltd. | Rotor and motor |
| CN105179833A (en) * | 2015-08-07 | 2015-12-23 | 佛山市日丰企业有限公司 | Connecting pipe fitting with metal insert |
| CN206666857U (en) * | 2017-02-28 | 2017-11-24 | 青岛海尔滚筒洗衣机有限公司 | A kind of axle sleeve and washing machine |
| CN208778518U (en) * | 2018-09-19 | 2019-04-23 | 珠海格力电器股份有限公司 | For the spline housing of motor, rotor assembly, motor and household electrical appliance |
-
2018
- 2018-09-19 CN CN201811091093.8A patent/CN108916255B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0300596A1 (en) * | 1987-07-22 | 1989-01-25 | Concentric Pumps Limited | Water pump impeller |
| CN203278429U (en) * | 2013-06-03 | 2013-11-06 | 浙江三星机电股份有限公司 | External rotor of direct-drive (DD) motor |
| US20150295457A1 (en) * | 2014-04-14 | 2015-10-15 | Asmo Co., Ltd. | Rotor and motor |
| CN105179833A (en) * | 2015-08-07 | 2015-12-23 | 佛山市日丰企业有限公司 | Connecting pipe fitting with metal insert |
| CN206666857U (en) * | 2017-02-28 | 2017-11-24 | 青岛海尔滚筒洗衣机有限公司 | A kind of axle sleeve and washing machine |
| CN208778518U (en) * | 2018-09-19 | 2019-04-23 | 珠海格力电器股份有限公司 | For the spline housing of motor, rotor assembly, motor and household electrical appliance |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108916255B (en) | 2023-08-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104144842B (en) | Driven steering device | |
| US11641138B2 (en) | Multi-component rotor for an electric motor of an appliance | |
| CN104097683B (en) | Electric power steering apparatus and assemble method thereof for vehicle | |
| CN102996435B (en) | Electric oil pump | |
| KR101583655B1 (en) | Motor and washing machine having the same | |
| CN208778518U (en) | For the spline housing of motor, rotor assembly, motor and household electrical appliance | |
| BR102012004656A2 (en) | FAN GROUP FOR VEHICLE AIR TREATMENT SYSTEMS | |
| CN108916255A (en) | For the spline housing of motor, rotor assembly, motor and household electrical appliance | |
| US10316896B2 (en) | Centering sleeve for bearing and centering a shaft end | |
| US2586567A (en) | Flexible coupling | |
| KR101528877B1 (en) | Hub assembly for fan | |
| CN107465287A (en) | Rotor assembly, rotor assembly and motor | |
| CN110076663B (en) | Multi-disc waxing machine | |
| US11346035B2 (en) | Washing machine | |
| EP3378983B1 (en) | Laundry washing machine equipped with a bearing assembly for the washing drum | |
| CN205101516U (en) | Belt pulley and motor element who has it | |
| CN207304224U (en) | Motor and the electrical equipment with motor | |
| CN203883577U (en) | Motor speed measurement feedback device and motor comprising same | |
| TW201448425A (en) | Coupling device for direct drive motor | |
| US11724731B2 (en) | Steering reaction force apparatus for vehicle | |
| CN215221926U (en) | Assembly structure of annular magnet and plastic guide sleeve | |
| CN103326495A (en) | Modular-drive arrangement | |
| KR102147112B1 (en) | Speed Reducer Having Adapter | |
| DE102017206089B4 (en) | Wet running pump and household appliance | |
| CN206887495U (en) | For washing machine bearing block and there is its roller washing machine |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |