CN107612260A - End cap and iron core fixing structure and disc type electric machine - Google Patents
End cap and iron core fixing structure and disc type electric machine Download PDFInfo
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- CN107612260A CN107612260A CN201710973642.3A CN201710973642A CN107612260A CN 107612260 A CN107612260 A CN 107612260A CN 201710973642 A CN201710973642 A CN 201710973642A CN 107612260 A CN107612260 A CN 107612260A
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- annular
- end cap
- stator module
- iron core
- side plate
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Abstract
The present invention discloses a kind of end cap and iron core fixing structure and disc type electric machine,The end cap includes end cap with iron core fixing structure,Stator module and filling glue,The annular side plate extends outward from the periphery of the bottom plate,Make it that the end cap is in basin type structure,The medial surface of the annular side plate and the annular install raised lateral surface,It is respectively equipped with the annular protrusion or annular groove of the circumferentially extending along the annular side plate,The stator module is installed in the end cap,The stator module, which has, is set in the raised mounting hole of the annular installation,The filling glue is filled between the lateral surface of the stator module and the medial surface of the annular side plate,And/or between the hole wall of the mounting hole and the annular installation projection,It is arranged such,It is simple in construction,Be advantageous to motor radiating,Improve power of motor density,The mode for overcoming conventionally employed screw fastening assembles complexity,Production technology greatly simplifies,It is especially suitable for producing in batches.
Description
Technical field
The present invention relates to disc type electric machine technical field, more particularly to a kind of end cap and iron core fixing structure and disc type electric machine.
Background technology
The stator core of disc type electric machine uses silicon strip winding process mostly, iron core radially by multilayer silicon steel tape wrapping,
Silicon-steel sheet coiled is around stator core complex process, and because teeth groove causes circumference discontinuously so that teeth portion is easily flicked in polygon
Shape, yoke portion axial occupation space, and iron loss is larger, causes motor whole efficiency relatively low, while spiral wound iron core be present
Internal diameter and external diameter axiality are poor, can not be accurately positioned when being attached together with casing, cause disc type electric machine high speed performance poor, disc type electric machine
The winding silicon strip of stator disc directly can not be arranged on end cap using screw axial, and ventional disc motor stator core is using fixed
Sub- iron core welding is connected by screw after drawing footing with end cap, and the fixed form of above-mentioned motor stator core has stator all the time
Iron core is unable to the problems such as high accuracy positioning, iron core internal-and external diameter axiality difference, and there is also mounting process requirement for the mounting means of screw
The problems such as high.
The content of the invention
The main object of the present invention is to propose a kind of end cap and iron core fixing structure and disc type electric machine, it is intended to solves existing disk
High accuracy positioning, iron core internal-and external diameter axiality difference etc. is unable to and there is stator core in the fixed form of the motor stator core of formula motor
Problem, the fixed form of screw can produce eddy-current loss there is also occupancy motor internal space, assemble under senior engineer's working frequency
The problems such as technique difference.
To achieve the above object, end cap and iron core fixing structure proposed by the present invention, including：
End cap, including bottom plate and annular side plate, the annular side plate extend outward from the periphery of the bottom plate, to cause
The end cap is in basin type structure, and the bottom plate is provided with via, and the also projection of the inner surface of the end cap is set around the via
Annular installation it is raised, the medial surface of the annular side plate and the annular install raised lateral surface, are respectively equipped with along described
The annular protrusion or annular groove of the circumferentially extending of annular side plate；
Stator module, it is installed in the end cap, the stator module, which has, is set in the raised peace of the annular installation
Fill hole；And
Fill glue, it is described filling glue be filled in the stator module lateral surface and the annular side plate medial surface it
Between, and/or the hole wall of the mounting hole and the annular installation it is raised between.
Preferably, it is raised outer along the axial direction of the annular side plate, the medial surface of the annular side plate and the annular installation
Side is respectively equipped with the multiple annular protrusions or annular groove.
Preferably, the material of the filling glue is epoxy glue.
Preferably, heat-conducting silicone grease is provided between the end face of the stator module and the bottom plate.
Preferably, the raised lateral surface of the annular installation is formed with annular relief；
The stator module includes stator core and locating ring, wherein, the stator core is provided centrally with circular hole, institute
State locating ring fixation to be embedded in the circular hole, and the locating ring is socketed in the annular relief.
Preferably, the material of the locating ring is aluminium alloy.
Preferably, fixed connection structure is provided between the stator module and the bottom plate, the fixed connection structure is used
To prevent the stator module axial rotation.
Preferably, the fixed connection structure includes：
Dovetail groove, located at the stator module towards in the one side of the bottom plate and radially extending；
Flat key groove, set located at the medial surface of the bottom plate, and with the dovetail groove in face；And
Contiguous block, with the swallow-tailed connection end coordinated with the dovetail groove and with the flat key groove coordinate
Installation end.
Preferably, multiple fixed connection structures are provided between the stator module and the bottom plate, the multiple fixation is even
Binding structure is circumferentially distributed along the stator module.
The present invention also proposes a kind of disc type electric machine, including end cap and iron core fixing structure, the end cap and iron core fixed knot
Structure includes：
End cap, including bottom plate and annular side plate, the annular side plate extend outward from the periphery of the bottom plate, to cause
The end cap is in basin type structure, and the bottom plate is provided with via, and the also projection of the inner surface of the end cap is set around the via
Annular installation it is raised, the medial surface of the annular side plate and the annular install raised lateral surface, are respectively equipped with along described
The annular protrusion or annular groove of the circumferentially extending of annular side plate；
Stator module, it is installed in the end cap, the stator module, which has, is set in the raised peace of the annular installation
Fill hole；And
Fill glue, it is described filling glue be filled in the stator module lateral surface and the annular side plate medial surface it
Between, and/or the hole wall of the mounting hole and the annular installation it is raised between.
In technical scheme provided by the invention, the stator module is set in the annular installation projection, the stator
Between the lateral surface of component and the medial surface of the annular side plate, and/or the hole wall of the mounting hole and it is described annular installation it is convex
Filled with filling glue between rising, the axial restraint to the stator module, also, institute are realized by the setting of the filling glue
The medial surface and the annular for stating annular side plate install raised lateral surface, are respectively equipped with the circumferentially extending along the annular side plate
Annular protrusion or annular groove, set, added between the filling glue by the annular protrusion or annular groove
The active force being mutually twisted so that the stator module axial restraint is more firm, moreover it is possible to will be described fixed by the filling glue
Heat transfer caused by sub-component is arranged such on the end cap, simple in construction, is advantageous to motor radiating, is improved motor work(
Rate density, the mode for overcoming conventionally employed screw fastening assemble complexity, and production technology greatly simplifies, and it is raw to be especially suitable for batch
Production.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Structure according to these accompanying drawings obtains other accompanying drawings.
Fig. 1 is the diagrammatic cross-section of an embodiment of end cap provided by the invention and iron core fixing structure；
Fig. 2 is the perspective exploded view of end cap and iron core fixing structure in Fig. 1.
Drawing reference numeral explanation：
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only the part of the embodiment of the present invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
If it is to be appreciated that related in the embodiment of the present invention directionality instruction (such as up, down, left, right, before and after ...),
Then directionality instruction be only used for explaining relative position relation under a certain particular pose (as shown in drawings) between each part,
Motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes therewith.
If in addition, relating to the description of " first ", " second " etc. in the embodiment of the present invention, " first ", " second " etc. are somebody's turn to do
Description be only used for describing purpose, and it is not intended that instruction or implying its relative importance or implicit indicating indicated skill
The quantity of art feature.Thus, " first " is defined, the feature of " second " can be expressed or implicitly includes at least one spy
Sign.In addition, the technical scheme between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
Based on enough realizations, the knot of this technical scheme is will be understood that when the combination appearance of technical scheme is conflicting or can not realize
Conjunction is not present, also not within the protection domain of application claims.
The present invention provides a kind of disc type electric machine, and the disc type electric machine includes end cap and iron core fixing structure, as long as have
The disc type electric machine of the end cap and iron core fixing structure is that the disc type electric machine described in the present invention, Fig. 1 and Fig. 2 provide for the present invention
End cap and iron core fixing structure 100 an embodiment.
Fig. 1 and Fig. 2 are referred to, the end cap includes end cap 1, stator module 2 and filling glue with iron core fixing structure 100
3, the end cap 1 includes bottom plate 11 and annular side plate 12, and the annular side plate 12 extends outward from the periphery of the bottom plate 11,
Make it that the end cap 1 is in basin type structure, the bottom plate 11 is provided with via 111, and the also projection of the inner surface of the end cap 1 is surround
Outside the annular installation projection 13 that the via 111 is set, the medial surface of the annular side plate 12 and the annular installation projection 13
Side, annular protrusion or annular groove 14 along the circumferentially extending of the annular side plate 12 are respectively equipped with (specifically, in this reality
Apply in example is annular groove 14), the stator module 2 is installed in the end cap 1, and the stator module 2, which has, is set in institute
The mounting hole of annular installation projection 13 is stated, the filling glue 31 is filled in the lateral surface of the stator module 2 and the annular side
Between the medial surface of plate 12, and/or between the hole wall of the mounting hole and the annular installation projection 13.
In technical scheme provided by the invention, the stator module 2 is set in the annular installation projection 13, described fixed
Between the lateral surface of sub-component and the medial surface of the annular side plate 12, and/or the hole wall of the mounting hole is pacified with the annular
Filled with filling glue 31 between dress projection 13, realized by the setting of the filling glue 31 and the axial direction of the stator module is consolidated
It is fixed, also, the medial surface of the annular side plate 12 and raised 13 lateral surfaces of annular installation, it is respectively equipped with along the annular
The annular protrusion or annular groove 14 of the circumferentially extending of side plate 12, are set by the annular protrusion or annular groove 14, increase
The active force being mutually twisted between the end cap 1 and the filling glue 31 so that the stator module axial restraint is more
Firmly, moreover it is possible to by the filling glue 31 by heat transfer caused by the stator module to the end cap 1, it is arranged such,
Be advantageous to motor radiating, improve power of motor density, the mode for overcoming conventionally employed screw fastening assembles complexity, production technology
Greatly simplify, be especially suitable for producing in batches.
By the setting of the annular protrusion or annular groove 14, increase between the end cap 1 and the filling glue 31
The active force being mutually twisted, make the axial restraint of stator module 2 more firm, therefore the annular protrusion or annular groove 14 can
To be that local set (is integrally to be set in a ring in a multiple raised or grooves provided circumferentially about, the multiple raised or groove
Put), still, referring to Fig. 2, in the present embodiment, the week of the annular protrusion or annular groove 14 along the annular side plate 12
Set, be arranged such in whole circle to extension, processing technology is simpler, with the work being mutually twisted between the filling glue 31
It is firmly also relatively large, it is more firm to the axial restraint of stator module 2.
Further, it is convex along the axial direction of the annular side plate 12, the medial surface of the annular side plate 12 and the annular installation
Play 13 lateral surfaces and be respectively equipped with the multiple annular protrusions or annular groove 14, be arranged such, further increase the end cap 1
The active force being mutually twisted between the filling glue 31, can also play a part of to the 2 multiple sealing of stator module.
The filling glue 31 primarily serves the effect of stator module 2 described in sealing, therefore the material of the filling glue 31 is ring
Oxygen glue, epoxy glue has very strong adhesive force and excellent mechanical property, and also has certain heat conductivility, can be by described in
The heat transfer of stator module 2 is to the end cap 1.
In order to by the heat transfer of the stator module 2 to the end cap 1, improve the radiating to the stator module 2,
So as to improve power of motor density, referring to Fig. 1, in the present embodiment, the end face of the stator module 2 and the bottom plate 11 it
Between be provided with heat-conducting silicone grease 32, can be by the heat transfer of the stator module 2 to described by the setting of the heat-conducting silicone grease 32
Bottom plate 11, then heat is shed by the bottom plate 11, the heat-conducting silicone grease 32 have a high thermal conductivity, and splendid thermal conductivity is wider
Temperature in use.
The high accuracy positioning of the stator module 2 and installation for convenience, specifically, the lateral surface of the installation projection 13
Formed with annular relief 15, the stator module 2 includes stator core 21 and locating ring 22 is (in the present embodiment, described fixed
The material of position ring 22 is aluminium alloy, and the intensity of the locating ring 22 is preferable, is advantageous to the installation positioning of the stator module 2), its
In, the stator core 21 is provided centrally with circular hole, and the locating ring 22 is fixed and is embedded in the circular hole, and the positioning
Ring 22 is socketed in the annular relief 15, to be accurately positioned to the stator module 2, the stator module 2 and institute
The cooperation of annular relief 15 is stated, the axiality of the stator module 2 and the positioning datum of the end cap 1 is ensure that, so as to protect
The air gap uniform properties of the whole disc type electric machine of card.
In order to prevent the axial rotation of stator module 2, in the present embodiment, the stator module 2 and the bottom plate 11
Between be provided with fixed connection structure, the fixed connection structure is preventing the axial rotation of stator module 2.
The fixed connection structure can be through the end cap 1 and is fixedly connected with the keyway of stator module 2, refer to
Fig. 2, in the present embodiment, the fixed connection structure include dovetail groove 41, flat key groove 42 and contiguous block 43, the dovetail groove
41 located at the stator module 2 towards in the one side of the bottom plate 11 and radially extending, the flat key groove 42 is located at the bottom
The medial surface of plate 11, and set with the dovetail groove 41 in face, the contiguous block 43 has what is coordinated with the dovetail groove 41
Swallow-tailed connection end and with the flat key groove 42 coordinate installation end, be arranged such, avoid traditional screw from fastening
Mode assemble complexity, production technology greatly simplifies, and is especially suitable for producing in batches.
Further, multiple fixed connection structures, the multiple fixation are provided between the stator module 2 and the bottom plate 11
Attachment structure is circumferentially distributed along the stator module 2, is arranged such, and motor can realize moment of torsion transmission when working, more efficient
Prevent the stator module 2 from rotating, meanwhile, the axial float of stator module 2 is prevented by filling glue 31 described in embedding, so
Ensure being fixedly secured between the stator module 2 and the end cap 1.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every at this
Under the design of invention, the equivalent structure transformation made using description of the invention and accompanying drawing content, or directly/it is used in indirectly
He is included in the scope of patent protection of the present invention related technical field.
Claims (10)
1. a kind of end cap and iron core fixing structure, it is characterised in that including：
End cap, including bottom plate and annular side plate, the annular side plate extend outward from the periphery of the bottom plate, described to cause
End cap is in basin type structure, and the bottom plate is provided with via, and the ring that the also projection of the inner surface of the end cap is set around the via
Shape installation is raised, and the medial surface of the annular side plate and the annular install raised lateral surface, are respectively equipped with along the annular
The annular protrusion or annular groove of the circumferentially extending of side plate；
Stator module, it is installed in the end cap, the stator module, which has, is set in the raised mounting hole of the annular installation；
And
Fill glue, it is described filling glue be filled between the lateral surface of the stator module and the medial surface of the annular side plate and/
Or between the hole wall of the mounting hole and the annular installation projection.
2. end cap as claimed in claim 1 and iron core fixing structure, it is characterised in that along the axial direction of the annular side plate, institute
State the medial surface of annular side plate and the annular installs raised lateral surface and is respectively equipped with the multiple annular protrusions or annular groove.
3. end cap as claimed in claim 1 and iron core fixing structure, it is characterised in that the material of the filling glue is epoxy
Glue.
4. end cap as claimed in claim 1 and iron core fixing structure, it is characterised in that the end face of the stator module with it is described
Heat-conducting silicone grease is provided between bottom plate.
5. end cap as claimed in claim 1 and iron core fixing structure, it is characterised in that the raised lateral surface of the annular installation
Formed with annular relief；
The stator module includes stator core and locating ring, wherein, the stator core is provided centrally with circular hole, described fixed
Position ring, which is fixed, to be embedded in the circular hole, and the locating ring is socketed in the annular relief.
6. end cap as claimed in claim 5 and iron core fixing structure, it is characterised in that the material of the locating ring is closed for aluminium
Gold.
7. end cap as claimed in claim 1 and iron core fixing structure, it is characterised in that the stator module and the bottom plate it
Between be provided with fixed connection structure, the fixed connection structure is preventing the stator module axial rotation.
8. end cap as claimed in claim 7 and iron core fixing structure, it is characterised in that the fixed connection structure includes：
Dovetail groove, located at the stator module towards in the one side of the bottom plate and radially extending；
Flat key groove, set located at the medial surface of the bottom plate, and with the dovetail groove in face；And
Contiguous block, with the swallow-tailed connection end coordinated with the dovetail groove and with the peace coordinated with the flat key groove
Fill end.
9. end cap as claimed in claim 7 or 8 and iron core fixing structure, it is characterised in that the stator module and the bottom
Multiple fixed connection structures are provided between plate, the multiple fixed connection structure is circumferentially distributed along the stator module.
10. a kind of disc type electric machine, it is characterised in that fixed including the end cap as described in claim 1 to 9 any one with iron core
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710973642.3A CN107612260A (en) | 2017-10-10 | 2017-10-10 | End cap and iron core fixing structure and disc type electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710973642.3A CN107612260A (en) | 2017-10-10 | 2017-10-10 | End cap and iron core fixing structure and disc type electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107612260A true CN107612260A (en) | 2018-01-19 |
Family
ID=61077184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710973642.3A Pending CN107612260A (en) | 2017-10-10 | 2017-10-10 | End cap and iron core fixing structure and disc type electric machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN107612260A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110138107A (en) * | 2019-05-10 | 2019-08-16 | 仪坤动力科技（上海）有限公司 | Default sub-component and blade and outer rotor integral fan |
| CN112350461A (en) * | 2020-10-21 | 2021-02-09 | 北京自动化控制设备研究所 | High mechanical strength modularization axial flux motor |
| CN114243963A (en) * | 2021-12-20 | 2022-03-25 | 浙江盘毂动力科技有限公司 | Stator embedment structure and disk motor |
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| CN204615782U (en) * | 2015-04-27 | 2015-09-02 | 唐志强 | A kind of quartz-crystal resonator |
| CN105302246A (en) * | 2015-11-06 | 2016-02-03 | 广东欧珀移动通信有限公司 | Terminal shell, terminal and treatment method for dispensed surfaces of terminal shell |
| CN105576919A (en) * | 2016-01-13 | 2016-05-11 | 徐俊 | Disc type motor of integral cooling heat radiation structure |
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| JP4457785B2 (en) * | 2004-07-09 | 2010-04-28 | 日産自動車株式会社 | Stator structure of disk type rotating electrical machine |
| CN103296792A (en) * | 2012-02-22 | 2013-09-11 | 深圳华任兴科技有限公司 | Disc-type motor with amorphous ferrous alloy axial magnetic circuit and manufacturing method and stator assembly thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110138107A (en) * | 2019-05-10 | 2019-08-16 | 仪坤动力科技（上海）有限公司 | Default sub-component and blade and outer rotor integral fan |
| CN112350461A (en) * | 2020-10-21 | 2021-02-09 | 北京自动化控制设备研究所 | High mechanical strength modularization axial flux motor |
| CN114243963A (en) * | 2021-12-20 | 2022-03-25 | 浙江盘毂动力科技有限公司 | Stator embedment structure and disk motor |
| WO2023115800A1 (en) * | 2021-12-20 | 2023-06-29 | 浙江盘毂动力科技有限公司 | Stator potting structure and disc-type electric motor |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20190506 Address after: 200082 9th Floor, 3255 Zhoujiazui Road, Yangpu District, Shanghai (Centralized Registration Place) Applicant after: Yi Kun Power Technology (Shanghai) Co., Ltd. Address before: Room 3, Room 4, No. 5, Eryue Road, Jiangan District, Wuhan City, Hubei Province Applicant before: Wuhan Suote Nanyang Motor Co., Ltd. |
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Application publication date: 20180119 |
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