CN109038916A - Electric motor end cap, motor and blower - Google Patents
Electric motor end cap, motor and blower Download PDFInfo
- Publication number
- CN109038916A CN109038916A CN201810915119.XA CN201810915119A CN109038916A CN 109038916 A CN109038916 A CN 109038916A CN 201810915119 A CN201810915119 A CN 201810915119A CN 109038916 A CN109038916 A CN 109038916A
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- China
- Prior art keywords
- annular
- convex platform
- face
- rotor
- stator
- 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.)
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- 238000005096 rolling process Methods 0.000 claims description 9
- 125000006850 spacer group Chemical group 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 24
- 230000000694 effects Effects 0.000 abstract description 9
- 238000007789 sealing Methods 0.000 abstract description 6
- 230000005611 electricity Effects 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The present invention relates to a kind of electric motor end cap, motor and blowers, comprising: ontology has first end face；First annular boss is connect with the first end face of the ontology；First annular groove is opened in the first end face of the ontology and is located in the first annular boss；Wherein, when rotor is rotatably sheathed on the stator periphery, the first annular boss and first annular groove form the first mine dam and the second mine dam for being surrounded on the stator periphery with the rotor respectively.Then when outside water will enter between rotor and stator, it needs successively around the fit clearance for entering fourth annular boss and first annular groove after the 5th annular convex platform and first annular boss, then the fit clearance around fourth annular boss and first annular groove enters between rotor and stator (i.e. outside water needs successively can just enter between rotor and stator after the first mine dam and the second mine dam), labyrinth sealing is formd, waterproof effect is preferable.
Description
Technical field
The present invention relates to technical field of driving, more particularly to a kind of electric motor end cap, motor and blower.
Background technique
Blower includes motor and fan blade, and motor driven fan blade rotates outlet air.Motor includes external rotor electric machine and internal rotor electricity
Machine, as its name suggests, external rotor electric machine are the motor that rotor is placed outside outside stator, and inner rotor motor is that rotor is placed in stator
Motor.
External rotor electric machine generally comprises rotor, stator and end cap, and stator is located in end cap, rotor be sheathed on stator it is outer and with
End cap matches.It is then clearance fit between rotor and end cap, then outside water will lead to since rotor is needed relative to stator rotation
The gap crossed between rotor and end cap enters between rotor and stator, to affect the performance of motor.Traditional external rotor electric machine
The poor problem of generally existing waterproof performance.
Summary of the invention
Based on this, it is necessary to there is a problem of that waterproof performance is poor for conventional motors, it is preferable to provide a kind of waterproof performance
Electric motor end cap, motor and blower.
A kind of electric motor end cap, for installing stator, comprising:
Ontology has first end face；
First annular boss is connect with the first end face of the ontology；
First annular groove is opened in the first end face of the ontology and is located in the first annular boss；
Wherein, when rotor is rotatably sheathed on the stator periphery, the first annular boss and first annular groove
The first mine dam and the second mine dam for being surrounded on the stator periphery are formed with the rotor respectively.
In one of the embodiments, further include:
Second annular convex platform is connect with the first end face of the ontology, and second annular convex platform is surrounded on institute
It states outside first annular boss, defines to form second annular groove between second annular convex platform and the first annular boss,
Second annular convex platform forms the third mine dam being surrounded on outside the rotor.
It is offered on second annular convex platform in one of the embodiments, and is connected to the second annular groove and outer
Drain hole between boundary.
The height that second annular convex platform is stretched on the first end face in one of the embodiments, is less than described the
One annular convex platform is stretched on the height of the first end face.
In one of the embodiments, further include:
Third annular convex platform is connect with the first end face of the ontology, and the third annular convex platform is positioned at described
In first annular groove, the third annular convex platform forms the 4th mine dam between the rotor and the stator.
The height that the third annular convex platform is stretched on the first end face in one of the embodiments, is less than described the
One annular convex platform is stretched on the height of the first end face.
It is offered on the first annular boss in one of the embodiments, and is connected to the first annular groove and outer
Second drain hole on boundary.
A kind of motor, including electric motor end cap as described in any one of the above embodiments, further includes:
Stator, the stator is fixedly connected on the first end face of the ontology, and the stator is located at described first
In annular groove, the height that the stator is stretched on the first end face is higher than the first annular boss and is stretched on described first
The height of end face；
Rotor, including main body, fourth annular boss and the 5th annular convex platform, the main body have and the first end face phase
The second end face mutually faced, the fourth annular boss and the 5th annular convex platform are connect with the second end face, described
Fourth annular boss is located in the 5th annular convex platform；
Wherein, the rotor is rotationally socketed on outside the stator by the fourth annular boss, the Fourth Ring
Shape boss is set in the first annular groove far from one end of the second end face, the fourth annular boss and described the
One annular groove cooperatively forms second mine dam, the 5th annular convex platform docked with the first annular boss gap or
5th annular convex platform spacer sleeve described in person be set to the first annular boss outside, the 5th annular convex platform with it is described first annular
Boss cooperatively forms first mine dam.
The motor further includes rolling bearing in one of the embodiments:
The rotor further include:
Shaft is fixedly connected with the second end face of the main body and is located in the fourth annular boss；
Wherein, the stator offers accommodating chamber, and the rolling bearing is socketed on outside the shaft, and the rolling bearing
It supports and is contained in the accommodating chamber.
A kind of blower, including fan blade and motor as described above, the fan blade is socketed on the described 5th of the rotor
Outside annular convex platform, the fan blade and the rotor are rotated synchronously.
Electric motor end cap, motor and blower provided by the invention, in assembly, the 5th annular convex platform and electric motor end cap of rotor
The docking of first annular boss gap, at this time the 5th annular convex platform and first annular boss form the first mine dam, and rotor
Fourth annular boss is set in the first annular groove of electric motor end cap far from one end of second end face, at this time fourth annular boss
The second mine dam is formed with first annular groove, then when outside water will enter between rotor and stator, it is necessary to successively bypass
Enter gap between rotor and stator after first mine dam and the second mine dam, form labyrinth sealing, waterproof effect compared with
It is good；Or assembly when, the first annular boss of electric motor end cap be located at rotor the 5th annular convex platform and fourth annular boss it
Between, the 5th annular convex platform and first annular boss form the first mine dam at this time, and the fourth annular boss of rotor is far from second end
The one end in face is set in the first annular groove of electric motor end cap, and fourth annular boss and first annular groove form second at this time
Mine dam is same as above, when outside water will enter between rotor and stator, it is necessary to successively bypass the first mine dam and the second waterproof
Enter the gap between rotor and stator after wall, forms labyrinth sealing, waterproof effect is preferable.
Detailed description of the invention
Fig. 1 is the structure chart for the blower that one embodiment of the invention provides；
Fig. 2 is the structure chart of the electric motor end cap of blower provided in Fig. 1 and a visual angle of stator；
Fig. 3 is the structure chart at another visual angle of electric motor end cap provided in Fig. 2 and stator；
Fig. 4 is the floor map of electric motor end cap provided in Fig. 2 and stator；
Fig. 5 is the structure chart of the rotor of blower provided in Fig. 1.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give presently preferred embodiments of the present invention.But the invention can be realized in many different forms, however it is not limited to this paper institute
The embodiment of description.On the contrary, purpose of providing these embodiments is keeps the understanding to the disclosure more thorough
Comprehensively.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
Refering to fig. 1 and Fig. 2, one embodiment of the invention provide a kind of blower 100, including motor 10 and fan blade 20, motor 10
Including electric motor end cap 11, stator 12 and rotor 13, stator 12 is fixedly connected with electric motor end cap 11, and rotor 13 is sheathed on outside stator 12
And matched with electric motor end cap 11 to prevent outside water from entering 10 inside (between rotor 13 and stator 12) of motor, fan blade 20 is socketed
In outside rotor 13, when rotor 13 is rotated relative to stator 12, drive fan blade 20 together relative to stator 12 and electric motor end cap 11
Rotation.
With continued reference to Fig. 2, Fig. 3 and Fig. 4, electric motor end cap 11 includes ontology 111 and first annular boss 112, and ontology 111 has
There is first end face, first annular boss 112 is connect with first end face, and electric motor end cap 11 further includes first annular groove 113, and first
Annular groove 113 is opened in first end face, and first annular groove 113 and first annular boss 112 interval are arranged, first annular
Groove 113 is located in first annular boss 112.
In other embodiments, first annular groove 113 and first annular boss 112 can not also be spaced setting, i.e., first
The inner surface that groove 113 fits in first annular boss 112 is opened in first end face.
Stator 12 is fixedly connected with first end face, and stator 12 is located at interval in first annular groove 113,12 projection of stator
It is higher than the height that first annular boss 112 is stretched on first end face in the height of first end face, so leaves installation to rotor 13
Space.
It is understood that first annular groove 113 can not also be spaced with stator 12 and set in some other embodiment
It sets, then one side wall of the stator 12 with first annular groove 113 far from first annular boss 112 is concordant at this time.
Refering to Fig. 5, in the present embodiment, rotor 13 includes main body 131, fourth annular boss 132 and the 5th annular convex platform
133, main body 131 has and the opposed facing second end face of first end face, fourth annular boss 132 and the 5th annular convex platform 133
It is connect with second end face, fourth annular boss 132 is located in the 5th annular convex platform 133, and fourth annular boss 132 and the 5th
Third annular groove is formed between annular convex platform 133.
Fourth annular boss 132 is socketed on outside stator 12, and fourth annular boss 132 is set to far from one end of second end face
In first annular groove 113, first annular boss 112 is set in third annular groove, and rotor 13 can relative to stator 12
Rotation.
Since the first annular boss 111 of electric motor end cap 11 is located at the 5th annular convex platform 133 and fourth annular of rotor 13
Between boss 132 (first annular boss 111 is located in third annular groove), at this time first annular boss 133 with it is first annular
Boss 111 cooperatively forms the first mine dam, and the fourth annular boss 132 of rotor 13 is set to electricity far from one end of second end face
In the first annular groove 113 of generator terminal lid 11, fourth annular boss 132 and first annular groove 113 cooperatively form second at this time
Mine dam needs successively then when outside water will enter between rotor 13 and stator 12 around the 5th annular convex platform 133 and first
The fit clearance for entering fourth annular boss 132 and first annular groove 113 after annular convex platform 111, then bypasses fourth annular
The fit clearance of boss 132 and first annular groove 113 enters between rotor 13 and stator 12 that (i.e. outside water needs successively to pass through
Can just enter between rotor 13 and stator 12 after first mine dam and the second mine dam), labyrinth sealing is so just formd,
Waterproof effect is preferable.
It is understood that in other embodiments, fourth annular boss 132 and the 5th annular convex platform can also be arranged
133 connections, and stage portion is formed between the two.In assembly, fourth annular boss 132 is socketed on outside stator 12, fourth annular
Boss 132 is set in first annular groove 113 far from one end of second end face, first annular boss 112 and the 5th convex annular
The docking of 133 gap of platform.
In this way, 111 gap pair of first annular boss of the 5th annular convex platform 133 and electric motor end cap 11 due to rotor 13
It connects, the 5th annular convex platform 133 also forms the first mine dam, the fourth annular of rotor 13 with the cooperation of first annular boss 111 at this time
Boss 132 is set in the first annular groove 113 of electric motor end cap 11 far from one end of second end face, at this time fourth annular boss
132 cooperatively form the second mine dam with first annular groove 113, then when outside water will enter in the inner cavity of rotor, need first
To be entered by the gap between first annular boss 111 and the 5th annular convex platform 133 fourth annular boss 132 with it is first annular
The fit clearance of groove 113, then the fit clearance around fourth annular boss 132 and first annular groove 113 enters rotor
Between 13 and stator 12 (i.e. outside water need successively after the first mine dam and the second mine dam just can enter rotor 13 with
Between stator 12), labyrinth sealing is formd, waterproof effect is preferable.
In the present embodiment, ontology 111 is cylindrical body plate structure, and such ontology 111 has center.Ontology 111, first
It is arranged concentrically between 113 three of annular convex platform 112 and first annular groove.It is understood that in other embodiments, ontology
111 it is also an option that other shapes, such as square plate structure, and ontology 111, first annular boss 112 and first annular recessed
It is also not arranged concentrically, is not limited thereto between 113 three of slot.
In one embodiment, electric motor end cap 11 further includes the second annular convex platform 114, the second annular convex platform 114 and ontology
111 first end face connection, and the second annular convex platform 114 is surrounded on outside first annular boss 112, the second annular convex platform 114 with
It defines to form second annular groove 115 between first annular boss 112.When assembly, the 5th annular convex platform 133 of rotor 13 is arranged
In in second annular groove 115, such outside water can just enter the 5th convex annular firstly the need of around the second annular convex platform 114
In platform 133, the second annular convex platform 114 forms the third mine dam being surrounded on outside rotor 13 at this time, further improves waterproof
Effect.
Second annular convex platform 114 is arranged concentrically with first annular boss 112, and first annular boss 112 is arranged and is stretched on
The height of first end face is higher than the height that the second annular convex platform 114 is stretched on first end face.So due to first annular boss 112
Height it is higher, then the water entered from the second annular convex platform 114 is being needed after the 5th annular convex platform 133 around longer road
Diameter enters in first annular boss 112.
Further, the second annular convex platform 114, which offers, is connected to extraneous the first drain hole with second annular groove 115,
So after outside water enters in the second annular convex platform 114, part water can be discharged from the first drain hole, with reduction into the
Water in five annular convex platform 133, waterproof effect are more preferable.
5th annular convex platform 133 can also offer third drain hole, lead inside the 5th annular convex platform 133 when water enters
Afterwards, part water can be discharged from the second drain hole, to reduce the water entered in first annular boss 112；And it is first annular convex
Platform 112 can also offer the second drain hole, and after water enters first annular boss 112, part water can be from the second drain hole
Discharge, to reduce the water entered in fourth annular boss 132.
Stator 12 further includes third annular convex platform 116, and third annular convex platform 116 is connect with the first end face of ontology 111, and
Third annular convex platform 116 is located at interval in first annular groove 113.In assembly, third annular convex platform 116 is located at fourth annular
In boss 132, so when outside water enters the 4th around the fit clearance of fourth annular boss 132 and first annular groove 113
After in annular convex platform 132, third annular convex platform 116 forms the 4th mine dam between rotor 13 and stator 12, Ke Yiqi
To further waterproof action.
Specifically, third annular convex platform 116 is arranged concentrically with first annular boss 112, and the second annular convex platform 114 is arranged
The height for being stretched on first end face is higher than the height that third shape boss 116 is stretched on first end face.It can so guarantee third ring
Shape boss 116 is while waterproof, to reduce the Assembly Interference to rotor 13.
Main body 131 has the center of circle, between 133 three of main body 131, fourth annular boss 132 and the 5th annular convex platform with one heart
Setting.It is understood that in other embodiments, 133 three of main body 131, fourth annular boss 132 and the 5th annular convex platform
Between not be arranged concentrically, be not limited thereto.
Rotor 13 further includes shaft, and shaft is fixedly connected with the second end face of main body 131 and is located at fourth annular boss 132
Interior, stator 12 offers accommodating chamber 121, and shaft is rotatably dispose in accommodating chamber 121.
Specifically, motor 10 further includes rolling bearing, and rolling bearing is socketed on outside shaft, and rolling bearing is supported and accommodated
In in accommodating chamber 121, shaft is rotated by rolling bearing relative to stator 12.
One embodiment of the invention also provides motor 10 included by a kind of above-mentioned blower 100, and provides a kind of motor 10 and wrap
The electric motor end cap 11 included.
Electric motor end cap 11, motor 10 and blower 100 provided in an embodiment of the present invention, have the advantages that
1, the first annular boss 112 of electric motor end cap 11 is set to 133 boundary of fourth annular boss 132 and the 5th annular convex platform
In the third annular groove being shaped as, and the second annular convex platform 114 is surrounded on outside the 5th annular convex platform 133, while third annular
Boss 116 is located in fourth annular boss 132, then outside water will successively bypass the second annular convex platform 114, the 5th annular convex platform
133, rotor 13 and stator 12 just be can enter after first annular boss 112, fourth annular boss 132 and third annular convex platform 116
Between, labyrinth sealing is formd, waterproof effect is preferable；
2, fourth annular boss 132 is set in first annular groove 113 far from one end of second end face, when flowing to the 4th
When the water of annular convex platform 132 is wanted to enter between rotor 13 and stator 12, can only from fourth annular boss 132 with it is first annular recessed
The fit clearance of slot 113 enters, and so just further improves waterproofness；
3, it is also provided on the second annular convex platform 114 and is connected to extraneous the first drain hole with second annular groove 115, then
It can be discharged into the part of the second annular convex platform 114 from the first drain hole, only part can be out of second annular convex platform 114
Into in the 5th annular convex platform 133, waterproof effect is more preferable.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of electric motor end cap (11), for installing stator (12) characterized by comprising
Ontology (111) has first end face；
First annular boss (112), connect with the first end face of the ontology (111)；
First annular groove (113) is opened in the first end face of the ontology (111) and is located at the first annular boss
(112) in；
Wherein, when rotor (13) is rotatably sheathed on the stator (12) periphery, the first annular boss (112) and first
Annular groove (113) forms the first mine dam for being surrounded on the stator (12) periphery and second with the rotor (13) respectively to be prevented
Waterwall.
2. electric motor end cap (11) according to claim 1, which is characterized in that further include:
Second annular convex platform (114) is connect with the first end face of the ontology (111), and second annular convex platform
(114) it is surrounded on the first annular boss (112) outside, second annular convex platform (114) and the first annular boss
(112) it defines to be formed second annular groove (115) between, second annular convex platform (114) forms and is surrounded on the rotor
(13) third mine dam outside.
3. electric motor end cap (11) according to claim 2, which is characterized in that opened up on second annular convex platform (114)
There is the first drain hole being connected between the second annular groove (115) and the external world.
4. electric motor end cap (11) according to claim 2, which is characterized in that second annular convex platform (114) is stretched on
The height of the first end face is less than the height that the first annular boss (112) is stretched on the first end face.
5. electric motor end cap (11) according to claim 1, which is characterized in that further include:
Third annular convex platform (116) is connect with the first end face of the ontology (111), and the third annular convex platform
(116) be located in the first annular groove (113), the third annular convex platform (116) formed be located at the rotor (13) with
The 4th mine dam between the stator (12).
6. electric motor end cap (11) according to claim 5, which is characterized in that the third annular convex platform (116) is stretched on
The height of the first end face is less than the height that the first annular boss (112) is stretched on the first end face.
7. electric motor end cap (11) according to claim 1-6, which is characterized in that the first annular boss
(112) it is offered on and is connected to the first annular groove (113) and the second extraneous drain hole.
8. a kind of motor, which is characterized in that including such as described in any item electric motor end caps of claim 1-7 (11), further includes:
Stator (12), the stator (12) are fixedly connected on the first end face of the ontology (111), and the stator (12)
In the first annular groove (113), the height that the stator (12) is stretched on the first end face is higher than described first
Annular convex platform (112) is stretched on the height of the first end face；
Rotor (13), including main body (131), fourth annular boss (132) and the 5th annular convex platform (133), the main body (131)
With with the opposed facing second end face of the first end face, the fourth annular boss (132) and the 5th annular convex platform
(133) it is connect with the second end face, the fourth annular boss (132) is located in the 5th annular convex platform (133)；
Wherein, the rotor (13) is rotationally socketed on the stator (12) outside by the fourth annular boss (132), institute
It states fourth annular boss (132) to be set in the first annular groove (113) far from one end of described second end face, described the
Four annular convex platform (132) and the first annular groove (113) cooperatively form second mine dam, the 5th annular convex platform
(133) it docks with first annular boss (112) gap or the 5th annular convex platform (133) spacer sleeve is set to described the
Outside, the 5th annular convex platform (133) and the first annular boss (112) cooperatively form described the to one annular convex platform (112)
One mine dam.
9. motor according to claim 8, which is characterized in that the motor further includes rolling bearing:
The rotor (13) further include:
Shaft is fixedly connected with the second end face of the main body (131) and is located in the fourth annular boss (132)；
Wherein, the stator (12) offers accommodating chamber (121), and the rolling bearing is socketed on outside the shaft, and described turn
Dynamic bearing is supported and is contained in the accommodating chamber (121).
10. a kind of blower, which is characterized in that including fan blade and motor as claimed in claim 8 or 9, the fan blade is socketed on
Outside, the fan blade and the rotor (13) rotate synchronously the 5th annular convex platform (133) of the rotor (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810915119.XA CN109038916A (en) | 2018-08-13 | 2018-08-13 | Electric motor end cap, motor and blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810915119.XA CN109038916A (en) | 2018-08-13 | 2018-08-13 | Electric motor end cap, motor and blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109038916A true CN109038916A (en) | 2018-12-18 |
Family
ID=64632934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810915119.XA Pending CN109038916A (en) | 2018-08-13 | 2018-08-13 | Electric motor end cap, motor and blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109038916A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201298764Y (en) * | 2008-11-13 | 2009-08-26 | 杭州顿力长三角高新技术成果转化中心有限公司 | Outer rotor waterproof motor |
| CN201789359U (en) * | 2010-09-14 | 2011-04-06 | 中山大洋电机制造有限公司 | External rotor electric machine with waterproof structure |
| DE102012018675A1 (en) * | 2012-09-21 | 2014-03-27 | Minebea Co., Ltd. | Spindle motor for fan, has base plate that comprises outer peripheral surface that overlaps with inner peripheral surface of rotor structure in axial direction so as to form specific portion of labyrinth seal |
| CN107482801A (en) * | 2016-06-07 | 2017-12-15 | 日本电产株式会社 | Stator unit, motor and pressure fan |
| CN208445393U (en) * | 2018-08-13 | 2019-01-29 | 珠海格力电器股份有限公司 | Electric motor end cap, motor and blower |
-
2018
- 2018-08-13 CN CN201810915119.XA patent/CN109038916A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201298764Y (en) * | 2008-11-13 | 2009-08-26 | 杭州顿力长三角高新技术成果转化中心有限公司 | Outer rotor waterproof motor |
| CN201789359U (en) * | 2010-09-14 | 2011-04-06 | 中山大洋电机制造有限公司 | External rotor electric machine with waterproof structure |
| DE102012018675A1 (en) * | 2012-09-21 | 2014-03-27 | Minebea Co., Ltd. | Spindle motor for fan, has base plate that comprises outer peripheral surface that overlaps with inner peripheral surface of rotor structure in axial direction so as to form specific portion of labyrinth seal |
| CN107482801A (en) * | 2016-06-07 | 2017-12-15 | 日本电产株式会社 | Stator unit, motor and pressure fan |
| CN208445393U (en) * | 2018-08-13 | 2019-01-29 | 珠海格力电器股份有限公司 | Electric motor end cap, motor and blower |
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