CN207304293U - Motor - Google Patents
Motor Download PDFInfo
- Publication number
- CN207304293U CN207304293U CN201721250862.5U CN201721250862U CN207304293U CN 207304293 U CN207304293 U CN 207304293U CN 201721250862 U CN201721250862 U CN 201721250862U CN 207304293 U CN207304293 U CN 207304293U
- Authority
- CN
- China
- Prior art keywords
- motor
- hub portion
- rotor
- fan
- ring
- 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.)
- Active
Links
- 239000000463 material Substances 0.000 claims abstract description 6
- 238000000465 moulding Methods 0.000 claims description 5
- 239000003365 glass fiber Substances 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000004323 axial length Effects 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000005291 magnetic effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a kind of motor, the motor includes rotor and two end caps, described two end caps cover two axial end portions of the rotor, the rotor has two end ring, the two end ring form described two axial end portions of the rotor, the rotor is installed on motor shaft, the motor shaft is supported by being arranged in two bearings on the inside of described two end caps, wherein, the motor further includes two fans, and each fan is assemblied between an end ring of rotor and a bearing opposite with an end ring and against one end ring and one bearing.The motor of the utility model has the advantages that materials province, cost are low and compact-sized.
Description
Technical field
Motor is the utility model is related to, in particular for the micro-machine of household electrical appliance.
Background technology
Become known for the micro-machine of the household electrical appliance such as washing machine.This motor generally includes stator, coaxially cloth
Put in the stator and by motor e axle supporting rotor and be intended to two end caps that are fixed and supporting aforementioned components.It is described two
End cap is usually disposed as crimping the stator in two axial end portions of stator respectively, and be configured to the axial end portion of rotor it
Between form space, the space especially closed.The motor shaft is by being separately positioned on the inner side of the two end caps, namely setting
Two bearings in the side towards rotor of end cap support, and stretch out at one end to connect simultaneously drive transmission device.
For this micro-machine, in order to which the heat generated in its operational process that dissipates is to prevent its internal heating,
Radiating fin is usually set on the end ring of rotor at present, and this radiating fin generally forms one and casting with the end ring
When with raw material such as molten aluminum one-pass molding.Further, since this known radial direction in motor internal faces radiating fin energy directly
The wind pressure of generation is relatively low, and airflow function space is small, windage is big, cooling air delivery is limited, and often also needs in motor
Fan is set on the outside of end cap so as to auxiliary heat dissipation.However, there are many shortcomings for this known electric machine structure.
Firstly, since need to set fin on it, it is known that rotor end ring consumption raw material are more, low production efficiency,
Technology stability and reliability are all poor.Secondly as need that fan is installed on the outside of end cap, it is known that the motor shaft of motor
It is long so that the axial dimension of whole motor is larger, causes structure not compact enough.Finally, in order to be fixed for supporting motor
The bearing of axis on motor shaft, it is necessary to process baffle ring groove, and place baffle ring in the groove so that bearing is positioned and prevented
Bearing axial float.However, this process baffle ring groove on motor shaft and coordinate the mode of fixed baffle ring to cause motor shaft
Processing technology is complicated, adds processing cost, reduces production efficiency；Being additionally, since needs to set for different bearing spacing
The position of different baffle ring grooves is put, therefore this bearing fixed form reduces the versatility of motor shaft, is unfavorable for quality control
System.
Utility model content
The utility model aims to solve the problem that above-mentioned the problems of the prior art, and proposes a kind of futuramic motor knot
Structure.
Specifically, the utility model provides such a motor, which includes rotor and two end caps, and described two
A end cap covers two axial end portions of the rotor, which has two end ring, the two end ring form the institute of the rotor
State two axial end portions, which is installed on motor shaft, and the motor shaft is by two axis being arranged on the inside of described two end caps
Hold supporting, wherein, which further includes two fans, each fan be assemblied in rotor an end ring and with an end ring phase
To a bearing between and against one end ring and one bearing.
The motor of the utility model includes the sky for being arranged in motor internal that is, being arranged between end cap and the end ring of rotor
Between in two fans, each fan positioned by the not only end ring against rotor but also the bearing against motor shaft.In this way, one
Aspect, directly can produce cooling air stream in motor internal by means of fan, eliminate the radiating fin on rotor end ring, letter
Change the casting technique of end ring, saved the manufacture material of end ring, reduced the cost of end ring, and improve the production of end ring
Efficiency；On the other hand, the axially position of fan and holding contact realization by the fan with rotor and the direct of bearing, so that not
Baffle ring groove must be processed on motor shaft again, baffle ring need not be also placed again, simplify the processing technology of motor shaft, reduce motor
The production cost of axis, improves the versatility of motor shaft.In addition, this riding position by fan outside end cap by being changed to end cap
Internal design also allows the length for reducing motor shaft, so as to save the material of motor shaft, reduces cost, and cause whole
The structure of a motor is compacter.
A preferred embodiment according to the present utility model, each fan include hub portion and are extended radially from the hub portion
Disc (or being more properly circular ring shape) linking part, be regularly distributed with the periphery of the linking part and hang down with the linking part
Straight plane blade.
Herein, it is preferable that the surface structure for being provided with plane blade of the linking part is into convex, so that the linking part
Global shape with frustoconical.Therefore, from the surface (also referred to as " linking part for being not provided with plane blade of the linking part
Bottom surface ") look, which is presented spill or tubaeform shape, i.e. as viewed from the bottom surface of the linking part, the linking part
Periphery in a manner of being in axial direction gradually distance from adjacent hub end surface extending sideways towards hub portion, until with hub portion
Side is connected.In this way, the bottom surface of the linking part can work as flow-guiding surface, for further increase cooling
Air mass flow.
Here, it is further preferred that the end sections farther out of the periphery of linking part described in the distance of the plane blade-also referred to as
For " end section "-be connected with each other by connection ring；The end portion being connected with the periphery of the linking part of the plane blade
Dividing-also referred to as " base segments "-has stop projection, the stop projection in axial direction extends into the end with the hub portion
Face flushes.
In this way, in the assembled state, two end faces in the hub portion of fan bear against the end face of bearing and the end ring of rotor
To realize axially position.In addition, the connection ring and stop projection can also bear against the end face of bearing and the end of rotor
Ring, further to strengthen axially retaining for fan respectively as auxiliary locator.
Another preferred embodiment according to the present utility model, each fan include hub portion and regularly divide around the hub portion
Multiple curved surface buckets of cloth, the curved surface bucket connect the hub portion each via the spoke extended radially from hub portion.
Herein, it is preferable that the end sections-i.e. " end section "-apart from spoke farther out of the curved surface bucket pass through
Connection ring is connected with each other.In this way, in the assembled state, which can be together with adjacent hub end surface against the end of bearing
Face, so as on the one hand play the role of auxiliary locator, on the other hand plays the role of keeping the relative position between blade.
Here, it is further preferred that the end sections being connected with spoke of the curved surface bucket-i.e. " base segments "-pass through
Retainer ring is connected with each other, to be conducive to keep interval or the relative position between the blade and between the spoke.
According to the utility model, preferably described fan is to pass through integrated part made of molding process.Advantageously, it is described
Fan can be made of the plastic material added with glass fibre.
Advantageously, the fan is installed on motor shaft in this way, i.e. makes the central through hole in the hub portion of the fan
It is connected in an interference fit with the motor shaft.
Furthermore it is advantageous that the surface of the end ring of the rotor is flat.This means do not set on the end ring of the rotor
Put the protrusion structure of any such as radiating fin.
It is further advantageous that the major part of the motor shaft is smooth.This means in the major part of the motor shaft
There is no any groove or similar structures.The major part of the motor shaft refers to the exhausted big portion along its length of the motor shaft
Divide, especially the part in addition to one end thereof or all two ends of the motor shaft.Especially, motor shaft is in
The major part for partly belonging to the motor shaft between two end caps of motor.
The motor of the utility model in particular for the household electrical appliance such as washing machine micro-machine.
Brief description of the drawings
Describe the preferred embodiment of the utility model in detail with reference to the accompanying drawings.In the accompanying drawings：
Fig. 1 illustrates the preferred embodiment of the utility model motor in assembled state with section view；
Fig. 2A -2B show the perspective of the first preferred embodiment of fan with the angle as viewed from oblique upper and obliquely downward respectively
Figure；And
Fig. 3 A-3B show the perspective view of the second preferred embodiment of fan with the angle looked from above and below respectively.
Embodiment
Such as normally understood in the utility model, " axial direction " refers to the direction of motor shaft extension, that is, in Fig. 1
Above-below direction；" radial direction " is the direction vertical with axial direction, that is, the left and right directions in Fig. 1.
Referring to Fig. 1, motor 10 includes stator 1 and rotor 2, and the wherein rotor 2 is coaxially disposed in the stator 1 with stator 1
Inner side, rotated with will pass through the effect of Induced magnetic field relative to the stator 1.The rotor 2 is installed on motor shaft 3, so as to
Rotated jointly with motor shaft 3.One end of the motor shaft 3 is connected with transmission device such as belt pulley 5, to drive the transmission
Device 5 and thus drive executing agency.
As shown in fig. 1, in two opposite axial end portions of stator 1 (and therefore rotor 2), two ends are provided with
Lid 41,42.The two end caps 41,42 bear against the axial end portion installation of stator 1, and are configured to the phase with rotor 2
Answer axial end portion to be separated by a distance, thus formed between the medial surface of end cap 41,42 and the respective end of rotor 2 empty
Between, the space especially closed.Bearing 61,62 is installed in the inner side of each end cap 41,42, for supporting motor axis 3
Rotation.
Here, rotor 2 includes iron core and end ring.The iron core can be laminated by multiple ferromagnetic conductor thin slices such as silicon steel sheet
Form.The end ring is for example molded by casting aluminium material, and is arranged to contact and is covered two outermosts at the iron core both ends
Portion's lamination.According to the utility model, it is preferable that their surface for not contacting core lamination stack of the outer surface of the end ring-i.e.-
It is flat.That is, any significant structure such as projection or depression is not formed on the outer surface of the end ring.
Referring also to Fig. 1, the motor 10 of the utility model includes two fans 8 being installed on motor shaft 3, the two fans
8 are arranged at the inside of motor 10 and are arranged to by carrying out axially position and guarantor against the existing component in motor 10
Hold.Specifically, the two fans 8 are arranged in the space between each end cap 41,42 and rotor 2, and are each arranged to
On the one hand against the end face of bearing 61, one of 62, on the other hand against rotor 2 an axial end portion that is, against the rotor 2
An end ring.
In this way, in the operational process of motor 10, fan 8 is rotated with motor shaft 3, thus being internally formed in motor 10
Air stream, for taking away the heat of motor operation generation and so as to effectively suppressing the temperature rise of motor.Meanwhile fan 8 is by axis
Hold the end ring constraint of 61,62 and rotor 2 and cannot be axially moveable on motor shaft 3 so that no longer need to set specially
Backstop position-limit mechanism.
Illustrate the fan 8 according to the utility model first preferred embodiment referring to Fig. 2A -2B.
According to the first preferred embodiment, fan 8 includes hub portion 81, the blade 83 of multiple planes and the connection hub
Portion 81 and the linking part 82 of the blade 83.As that can find out from Fig. 2A and 2B, which has columnar overall shape
Shape；The linking part 82 is radially extended into disc-from the side in the hub portion 81 or considered shared by hub portion 81 itself
In the case of space for circular ring shape-cross sectional shape；The blade 83 of the multiple plane is regularly divided with for example identical interval
Cloth linking part 82 periphery-that is, the linking part 82 remote 81 side of hub portion edge-on, and be approximately perpendicular to this
The periphery of linking part 82 is set, that is, is axially set.
Referring also to Fig. 2A -2B and combine Fig. 1, the axial length in hub portion 81 can be designed to be substantially equal to bearing 61,
The distance between 62 end ring corresponding to rotor 2, so that two end faces in the hub portion 81 are respectively formed against the bearing and end ring
Stopper section.In addition, the internal diameter of the central through hole in hub portion 81 can be designed to the outside diameter for being slightly less than motor shaft 3, so that the hub portion
81 connection modes that can with tight fit, be especially interference fitted are installed on the motor shaft 3.
Referring particularly to Fig. 2 B, as viewed from the surface for being not provided with blade of linking part 82 that is, the bottom surface of the linking part, the company
Spill or more specifically tubaeform shape is presented in knot 82.Therefore, when as viewed from another surface, the linking part 82 is by convex
The plate-like portion of shape or more specifically frustoconical is formed, as can be from finding out Fig. 2A.
As shown in Figure 2 A, each of the multiple blade 83 has the citation form of tablet, and preferably these blades 83
It is connected with each other in its end section by connection ring 85, thus on the one hand can strengthens the stability of these blades 83, the opposing party
Face can make connection ring 85 be used as auxiliary locator or hub portion protective device against the end face of the bearing 61,62 of motor.
It is further preferred that each blade 83 has a projection 84 in its base segments, the projection 84 is from the base portion portion of blade 83
Divide to axially extend into and flushed with the corresponding end-faces in hub portion 81.In this way, these projections 84 can be in the assembled state against rotor 2
End ring, so as to as additional positioning device.
The fan 8 of this preferred embodiment can be made of the P66 added with glass fibre, and preferably through molding example
The integrated part as made of injection molding.
Illustrate the fan 8 ' according to the second preferred embodiment of the utility model referring to Fig. 3 A-3B.
According to second preferred embodiment, fan 8 ' is included described in hub portion 81 ', the blade 83 ' of multiple curved surfaces and connection
Hub portion 81 ' and the linking part of the blade 83 '.As shown in figs.3 a and 3b, which has columnar global shape；Should
Linking part includes the multiple spokes 82 ' extended radially from the side in hub portion 81 ', these spokes 82 ' are preferably with equal distance
It is regularly spaced apart and is connected with each other by retainer ring 86 '；The multiple blade 83 ' is connected respectively to each spoke 82 '
End, and be approximately perpendicular to the spoke 82 ' and set, that is, axially set.
With first preferred embodiment similarly, hub portion 81 ' has equal with the distance between bearing 61,62 and rotor end ring
Axial length so that the hub portion 81 ' two end faces formed axial stop.Moreover, the central through hole in the hub portion 81 ' have than
The smaller internal diameter of the outside diameter of motor shaft 3, so that the hub portion 81 ' forms tight fit connection with motor shaft 3.
As that can find out from Fig. 3 A-3B, each of the multiple blade 83 ' is formed by arc bent plate, and preferably these
Blade 83 ' is linked together in its end section by connection ring 85 ', on the one hand to strengthen the stability of these blades 83 ',
Connection ring 85 ' on the other hand can be used as to the axial direction positioning device or hub portion protective device of auxiliary.
Referring particularly to Fig. 3 B, it is preferable that the spoke 82 ' and the blade 83 ' are integral, and their base portion portion
The end face divided is retracted vertically relative to adjacent 81 ' end face of hub portion.In this way, after assembling, the blade 83 ', especially institute
Stating the base segments of blade 83 ' will not be worn because fan rotates.
In addition, still as shown in Figure 3B, retainer ring 86 ' can be arranged on the position that blade 83 ' is connected with spoke 82 ', and
With the end face flushed with the latter.Preferably, retainer ring 86 ' and spoke 82 ' and blade 83 ' are integral.
With first preferred embodiment similarly, fan 8 ' can be made of the P66 added with glass fibre, and preferably
By moulding integrated part made of such as injection molding.
Finally it is pointed out that the preferred embodiment that the utility model is not limited to be described herein and shows, but including ability
Any change and modification that field technique personnel are contemplated that.
Claims (13)
1. a kind of motor, including rotor and cover the rotor two axial end portions two end caps, which, which has, forms
Two end ring of two axial end portion and on the motor shaft, the motor shaft is by being arranged on the inside of described two end caps
The supporting of two bearings, it is characterised in that the motor further includes two fans, each fan be assemblied in rotor an end ring and with
Between an opposite bearing of one end ring and against one end ring and one bearing.
2. motor according to claim 1, it is characterised in that each fan includes hub portion and radially stretched from the hub portion
The disc linking part gone out, is regularly distributed with the plane blade vertical with the linking part on the periphery of the linking part.
3. motor according to claim 2, it is characterised in that the surface structure for being provided with plane blade of the linking part
Into convex, so that the linking part has the global shape of frustoconical.
4. motor according to claim 2, it is characterised in that the end of the periphery of the remote linking part of the plane blade
Part is connected with each other by connection ring；And the base segments being connected with the periphery of linking part of the plane blade have only
Projection is kept off, which axially extends into the end face with the hub portion.
5. motor according to claim 1, it is characterised in that each fan include hub portion and around the hub portion regularly
Multiple curved surface buckets of distribution, the curved surface bucket connect the hub portion each via the spoke extended radially from hub portion.
6. motor according to claim 5, it is characterised in that the end section of the remote spoke of the curved surface bucket passes through
Connection ring is connected with each other.
7. motor according to claim 5, it is characterised in that the curved surface bucket is in the base portion portion being connected with the spoke
Office is connected with each other by retainer ring.
8. according to the motor any one of claim 2-7, it is characterised in that the fan is by whole made of molding
Body formula component.
9. motor according to claim 8, it is characterised in that the fan is by the plastic material system added with glass fibre
Into.
10. according to the motor any one of claim 2-7, it is characterised in that the central through hole in the hub portion of the fan
It is connected in an interference fit with the motor shaft.
11. according to the motor any one of claim 1-7, it is characterised in that the surface of the end cap of the rotor is flat
Smooth.
12. according to the motor any one of claim 1-7, it is characterised in that the major part of the motor shaft is light
Sliding.
13. according to the motor any one of claim 1-7, it is characterised in that the motor is used for washing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721250862.5U CN207304293U (en) | 2017-09-26 | 2017-09-26 | Motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721250862.5U CN207304293U (en) | 2017-09-26 | 2017-09-26 | Motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207304293U true CN207304293U (en) | 2018-05-01 |
Family
ID=62439587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721250862.5U Active CN207304293U (en) | 2017-09-26 | 2017-09-26 | Motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207304293U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108916112A (en) * | 2018-09-05 | 2018-11-30 | 浙江鸿友压缩机制造有限公司 | A kind of fan with double split flow construction |
| CN113809884A (en) * | 2021-08-25 | 2021-12-17 | 浙江奇志电机股份有限公司 | High heat dissipation three-phase asynchronous machine |
| CN113965019A (en) * | 2021-10-25 | 2022-01-21 | 中车永济电机有限公司 | Rotor heat radiation structure of sealed motor |
-
2017
- 2017-09-26 CN CN201721250862.5U patent/CN207304293U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108916112A (en) * | 2018-09-05 | 2018-11-30 | 浙江鸿友压缩机制造有限公司 | A kind of fan with double split flow construction |
| CN113809884A (en) * | 2021-08-25 | 2021-12-17 | 浙江奇志电机股份有限公司 | High heat dissipation three-phase asynchronous machine |
| CN113809884B (en) * | 2021-08-25 | 2022-08-09 | 浙江奇志电机股份有限公司 | High heat dissipation three-phase asynchronous machine |
| CN113965019A (en) * | 2021-10-25 | 2022-01-21 | 中车永济电机有限公司 | Rotor heat radiation structure of sealed motor |
| CN113965019B (en) * | 2021-10-25 | 2024-01-23 | 中车永济电机有限公司 | Rotor heat radiation structure of sealed motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3121937B1 (en) | Electrically driven pump and method for manufacturing the same | |
| US9447725B2 (en) | Compressor and vacuum machine | |
| KR101256428B1 (en) | Cooling fan | |
| KR101898348B1 (en) | Motor | |
| US8568110B2 (en) | Blower fan and method of manufacturing the same | |
| CN101617126A (en) | The axial fan of automobile radiators | |
| KR101565808B1 (en) | Breathing electric motor | |
| CN207304293U (en) | Motor | |
| CN105827046B (en) | Motor and cooling fan with same | |
| US10550851B2 (en) | Fan having an impeller including a resin portion and a metal plate | |
| WO2017193513A1 (en) | Outer-rotor motor provided with extending dual shafts, and fan using same | |
| US20140369839A1 (en) | Bearing mechanism and blower fan | |
| CN103790837A (en) | Axial-flow type permanent magnet motor water pump | |
| CN220510917U (en) | Rotor with cooling fan and gear hub motor | |
| CN210509652U (en) | Centrifugal fan and motor | |
| CN207459948U (en) | A kind of axial magnetic field disk motor | |
| CN208257532U (en) | Motor rotor component | |
| CN105050464B (en) | Mixer motor case | |
| CN107181334B (en) | Fan stator and fan thereof | |
| CN102522836A (en) | Outer rotor component of motor | |
| CN104196754A (en) | Multifunctional fan blade hub | |
| CN108599451A (en) | A kind of augmentation of heat transfer structure of hub motor for electric automobile | |
| CN207073489U (en) | A kind of high intensity Wind Volume centrifugal fan | |
| JP5993603B2 (en) | Blower | |
| CN201298782Y (en) | Rotor structure for increasing self-fanning and cooling ability and reducing temperature increase of motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |