CN208778518U - 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
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- CN208778518U CN208778518U CN201821536527.6U CN201821536527U CN208778518U CN 208778518 U CN208778518 U CN 208778518U CN 201821536527 U CN201821536527 U CN 201821536527U CN 208778518 U CN208778518 U CN 208778518U
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- spline housing
- injection molding
- tooth
- ontology
- position part
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Abstract
The utility model 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 utility model relates to motor fields, specifically, being to be related to a kind of spline housing for motor, have the spline
Rotor assembly, motor and the household electrical appliance of set.
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.
Utility model content
First purpose of the utility model can increase reliability of the spline housing in conjunction with rotor after being to provide a kind of plastic packaging
The spline housing for motor.
Second purpose of the utility model is to provide a kind of rotor assembly with above-mentioned spline housing.
The third purpose of the utility model is to provide a kind of motor with above-mentioned spline housing.
4th purpose of the utility model is to provide a kind of household electrical appliance with above-mentioned motor.
To realize above-mentioned first purpose, the utility model provides a kind of spline housing for motor, including spline housing ontology,
It is molded tooth and axially position part, spline housing ontology is cylindrical, and injection molding tooth is arranged on the periphery wall of spline housing ontology, axial fixed
Position part extends along the radial periphery wall from spline housing ontology of spline housing ontology to the direction far from the periphery wall, axially position
Minimum range between the edge of part and the central axis of spline housing ontology is greater than between injection molding tooth and the central axis of spline housing ontology
Maximum distance, multiple through-holes circumferentially of axially locating piece are offered on axially position part, through-hole is along parallel
Axially position part is axially penetrated through in spline housing ontology.
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 above-mentioned second purpose, the utility model provides a kind of rotor assembly, including rotor and above-mentioned for electricity
The spline housing of machine, 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 above-mentioned third purpose, the utility model provides a kind of motor, including stator module and above-mentioned rotor assembly.
To realize above-mentioned 4th purpose, the utility model provides a kind of household electrical appliance, and household electrical appliance include above-mentioned motor.
The utility model has the beneficial effects that axially position part is arranged on the periphery wall of spline housing ontology to be increased
The contact surface of spline housing and rotor, to make the axially contact more firm of spline housing and rotor.In addition, the setting of axially position part exists
The middle part of spline housing ontology axial direction, when injection molding, spline housing is embedded in internal rotor, can play the role of axial limiting, simultaneously
Reinforce spline housing and the integrally-built intensity of rotor.In addition, when injection molding tooth negligible amounts, when rotor high-speed cruising inside spline housing
Stress is concentrated, and rotor life is influenced, and the more injection molding teeth of the utility model setting can make stress evenly dispersed, and increasing rotor can
By property, so that it be made steadily to work.Meanwhile injection molding tooth can also play circumferentially positioned effect, and when preventing motor from working, flower
Key set is detached from rotor.Through-hole is opened up on axially position part can increase contact area with capsulation material, thus increase by
Power area improves the bond strength of spline housing and rotor entirety, meanwhile, through-hole plays recirculation hole in injection molding.
Detailed description of the invention
Fig. 1 is the structure chart of the utility model washing machine embodiment.
Fig. 2 is the partial enlarged view in Fig. 1 at A.
Fig. 3 is the structure chart of the utility model rotor assembly embodiment.
Fig. 4 is the structural exploded view of the utility model rotor assembly embodiment.
Fig. 5 is the structure chart at the first visual angle of spline housing in the utility model rotor assembly embodiment.
Fig. 6 is the structure chart at the second visual angle of spline housing in the utility model rotor assembly embodiment.
Fig. 7 is the structure chart at spline housing third visual angle in the utility model rotor assembly embodiment.
The following is a further explanation of the present invention with reference to the accompanying drawings and embodiments.
Specific embodiment
The household electrical appliance of the present embodiment are washing machine, since the utility model washing machine uses the utility model spline
Set, rotor assembly and motor, in the explanation of washing machine embodiment include to spline housing embodiment, rotor assembly embodiment and
The explanation of motor embodiment.The spline housing, rotor assembly and motor of the utility model are not limited to apply on washing machine, can also be with
It applies on other household 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
In the sub- service life, the more injection molding teeth of the utility model setting can make stress evenly dispersed, increase rotor reliability, to keep it steady
Surely it works.Meanwhile injection molding tooth can also play circumferentially positioned effect, when preventing motor from working, spline housing and rotor are detached from.
The contact area that through-hole is opened up on axially position part can increase with capsulation material improves spline to increase forced area
The bond strength of set and rotor entirety, meanwhile, through-hole plays recirculation hole in injection molding.
Finally, it should be noted that the utility model is not limited to above-mentioned embodiment, if the ordinary skill of this field
Personnel are enlightened by it, without deviating from the purpose of the present invention, are not inventively designed and the technical side
The similar frame mode of case and embodiment, should all fall within the claims of the utility model.
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 include:
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 |
|---|---|---|---|
| CN201821536527.6U CN208778518U (en) | 2018-09-19 | 2018-09-19 | For the spline housing of motor, rotor assembly, motor and household electrical appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821536527.6U CN208778518U (en) | 2018-09-19 | 2018-09-19 | For the spline housing of motor, rotor assembly, motor and household electrical appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208778518U true CN208778518U (en) | 2019-04-23 |
Family
ID=66161995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821536527.6U Active CN208778518U (en) | 2018-09-19 | 2018-09-19 | For the spline housing of motor, rotor assembly, motor and household electrical appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208778518U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108916255A (en) * | 2018-09-19 | 2018-11-30 | 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 CN201821536527.6U patent/CN208778518U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108916255A (en) * | 2018-09-19 | 2018-11-30 | 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 |
| CN108916255B (en) * | 2018-09-19 | 2023-08-22 | 珠海格力电器股份有限公司 | Spline housing for motor, rotor assembly, motor and household appliance |
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| GR01 | Patent grant |