CN113765268A - External rotor motor - Google Patents
External rotor motor Download PDFInfo
- Publication number
- CN113765268A CN113765268A CN202110980109.6A CN202110980109A CN113765268A CN 113765268 A CN113765268 A CN 113765268A CN 202110980109 A CN202110980109 A CN 202110980109A CN 113765268 A CN113765268 A CN 113765268A
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- China
- Prior art keywords
- stator
- external rotor
- positioning step
- machine according
- bearing
- 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.)
- Pending
Links
- 239000002184 metal Substances 0.000 claims abstract description 29
- 229920003023 plastic Polymers 0.000 claims abstract description 19
- 239000004033 plastic Substances 0.000 claims abstract description 19
- 230000008878 coupling Effects 0.000 claims abstract description 11
- 238000010168 coupling process Methods 0.000 claims abstract description 11
- 238000005859 coupling reaction Methods 0.000 claims abstract description 11
- 238000001746 injection moulding Methods 0.000 claims abstract description 9
- 238000005452 bending Methods 0.000 claims description 6
- 238000003490 calendering Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
- H02K1/187—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures to inner stators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/02—Casings or enclosures characterised by the material 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
本发明提供了一种外转子电机，包括定子和外转子，所述定子包括定子座和导磁组件，所述定子座包括金属部分以及通过注塑成型在所述金属部分上的塑料部分，所述金属部分包括筒状部以及端部；所述金属部分上设有结合孔，所述塑料部分包括填充到所述结合孔中基部以及凸出于所述筒状部外侧的轴向的周向定位部，所述导磁组件上设有配合腔，所述配合腔的内壁设有轴向的周向定位槽，所述筒状部配合设在所述配合腔中并且所述周向定位部轴向嵌入所述周向定位槽中。该外转子电机的结构在具有很高的可靠性的同时，可采用拉伸+注塑的工艺制造，利于提高生产效率，并节约成本。
The present invention provides an outer rotor motor including a stator and an outer rotor, the stator includes a stator seat and a magnetic conductive component, the stator seat includes a metal part and a plastic part formed on the metal part by injection molding, the The metal part includes a cylindrical part and an end part; the metal part is provided with a coupling hole, and the plastic part includes a base part filled into the coupling hole and an axial circumferential position protruding from the outside of the cylindrical part The magnetic conductive component is provided with a matching cavity, the inner wall of the matching cavity is provided with an axial circumferential positioning groove, the cylindrical portion is fitted in the matching cavity, and the circumferential positioning portion into the circumferential positioning groove. While the structure of the outer rotor motor has high reliability, it can be manufactured by a process of drawing and injection molding, which is beneficial to improve production efficiency and save costs.
Description
Technical Field
The invention relates to the technical field of motors, in particular to an outer rotor motor.
Background
The motors can be divided into an inner rotor and an outer rotor according to different relative positions between the stator and the rotor. The rotor of an internal rotor motor is surrounded by the stator, i.e. the rotor is inside. The rotor of the external rotor motor surrounds the stator, i.e. the rotor is outside.
In the traditional scheme, the stator seat in a plurality of outer rotor motors adopts the casting and machining process, namely the blank is cast and then machined, and the traditional scheme has low manufacturing efficiency and high cost.
Disclosure of Invention
The present invention is directed to an external rotor motor with a structure that is easy to manufacture, and the above-mentioned drawbacks in the related art are overcome.
The technical scheme adopted by the invention for solving the technical problem comprises the following steps: the outer rotor motor comprises a stator and an outer rotor, wherein the outer rotor comprises a shell, a magnet arranged on the shell and a rotating shaft connected with the shell, the stator comprises a stator seat and a magnetic conduction assembly, the stator seat comprises a metal part and a plastic part formed on the metal part through injection molding, the metal part comprises a cylindrical part and an end part arranged at one axial end of the cylindrical part, the cylindrical part is parallel to the rotating shaft, and the rotating shaft penetrates into a hollow inner cavity of the cylindrical part;
the metal part is provided with a combination hole, the plastic part comprises a base part filled in the combination hole and a circumferential positioning part protruding out of the axial direction of the cylindrical part, a matching cavity is arranged on the magnetic conduction assembly, the inner wall of the matching cavity is provided with an axial circumferential positioning groove, and the cylindrical part is matched and arranged in the matching cavity and the circumferential positioning part is axially embedded into the circumferential positioning groove.
Preferably, the coupling hole is provided on the cylindrical portion and is an axial groove, and the base portion fills the coupling hole and extends outward to form the circumferential positioning portion.
Preferably, one end of the circumferential positioning part facing the magnetic conduction assembly is provided with a chamfer.
Preferably, the number of the circumferential positioning parts is one, or the circumferential positioning parts are distributed uniformly in the circumferential direction.
Preferably, the plastic part comprises a stator seat outer positioning step arranged on the outer side of the cylindrical part, the stator seat outer positioning step is arranged on one axial side of the circumferential positioning part, and a magnetic conduction component inner positioning step is arranged on the inner side of the matching cavity of the magnetic conduction component, so that the circumferential positioning part is axially embedded into the circumferential positioning groove, and the stator seat outer positioning step abuts against the magnetic conduction component inner positioning step to axially position the magnetic conduction component.
Preferably, the outer rotor motor includes a first bearing, the coupling hole radially penetrates the cylindrical portion, the base portion forms a first inner positioning step of a stator holder inside the cylindrical portion, the rotating shaft is fitted with the first bearing, the first bearing is fitted in the hollow inner cavity of the cylindrical portion from one end opening of the cylindrical portion, and the first bearing axially abuts against the first inner positioning step of the stator holder to axially position the first bearing.
Preferably, the outer side of the cylindrical part is provided with a supporting step, and the supporting step is axially abutted against the outer positioning step of the stator seat so as to axially support the outer positioning step of the stator seat.
Preferably, the support step is formed by bending the cylindrical portion.
Preferably, the outer rotor motor comprises a second bearing, a second inner positioning step of the stator seat is formed on the inner side of the cylindrical part, the rotating shaft is matched with the second bearing, the second bearing is arranged in the hollow inner cavity of the cylindrical part in a matched mode from an opening at one end of the cylindrical part, and the second bearing is axially abutted against the first inner positioning step of the stator seat so as to axially position the first bearing.
Preferably, the stator seat outer positioning step is formed by bending the cylindrical portion.
Preferably, the metal part is formed by drawing, deep drawing or calendering.
Preferably, said end of said metal portion is in the form of a radially extending disc.
The technical scheme of the invention at least has the following beneficial effects: the structure of the outer rotor motor has high reliability, is beneficial to improving the production efficiency and saves the cost.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
fig. 1 is a perspective view of an outer rotor motor according to an embodiment of the present invention.
Fig. 2 is an exploded view of the outer rotor motor of fig. 1.
Fig. 3 is an exploded view of the outer rotor motor of fig. 1 (the outer rotor is omitted).
Fig. 4 is another perspective view of the outer rotor motor of fig. 1.
Fig. 5 is an exploded view of the outer rotor motor of fig. 4.
Fig. 6 is an exploded view of the outer rotor motor of fig. 4 (the outer rotor is omitted).
Fig. 7 is a perspective view of a metal portion of the stator yoke in fig. 6.
Fig. 8 is an exploded view of the outer rotor motor of fig. 4 in a sectional state (the outer rotor is omitted).
Fig. 9 is a partially enlarged view of a portion a in fig. 8.
The reference numerals in the figures denote: stator 1, stator seat 11, metal part 111, barrel 1111, combination hole 11111, stator seat second internal positioning step 11112, support step 11113, end 1112, plastic part 112, base 1121, circumferential positioning portion 1122, chamfer 11221, stator seat external positioning step 1123, stator seat first internal positioning step 1124, magnetic conduction assembly 12, matching cavity 121, circumferential positioning groove 122, magnetic conduction assembly internal positioning step 123, first bearing 13, second bearing 14, outer rotor 2, housing 21, magnet 22 and rotating shaft 23.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be understood that if the terms "front", "back", "upper", "lower", "left", "right", "longitudinal", "lateral", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail", etc. are used herein to indicate an orientation or positional relationship, they are constructed and operated in a specific orientation based on the orientation or positional relationship shown in the drawings, which is for convenience of describing the present invention, and do not indicate that the device or component being referred to must have a specific orientation, and thus, should not be construed as limiting the present invention. It is also to be understood that, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," "disposed," and the like, if used herein, are intended to be inclusive, e.g., that they may be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or intervening elements may also be present. If the terms "first", "second", "third", etc. are used herein only for convenience in describing the present technical solution, they are not to be taken as indicating or implying relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", etc. may explicitly or implicitly include one or more of such features. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
Referring to fig. 1 to 9, the external rotor motor in one embodiment of the present invention includes a stator 1 and an external rotor 2, the external rotor 2 includes a housing 21, a magnet 22 disposed on the housing 21, and a rotating shaft 23 connected to the housing 21, the stator 1 includes a stator holder 11, a magnetic conductive assembly 12, and a winding wound on the magnetic conductive assembly 12, the stator holder 11 includes a metal part 111 and a plastic part 112 formed on the metal part 111 by injection molding, the metal part 111 includes a cylindrical part 1111 and an end part 1112 disposed at one axial end of the cylindrical part 1111, the cylindrical part 1111 is parallel to the rotating shaft 23, and the rotating shaft 23 penetrates into a hollow inner cavity of the cylindrical part 1111;
the metal part 111 is provided with a combination hole 11111, the plastic part 112 comprises a base part 1121 filled in the combination hole 11111 and an axial circumferential positioning part 1122 protruding out of the cylindrical part 1111, the magnetic conduction assembly 12 is provided with a matching cavity 121, the inner wall of the matching cavity 121 is provided with an axial circumferential positioning groove 122, the cylindrical part 1111 is matched and arranged in the matching cavity 121, and the circumferential positioning part 1122 is axially embedded into the circumferential positioning groove 122, so that the torsion of the stator 1 is enhanced, and the reliability is higher. The design not only enables the tolerance stability of parts to be better, but also saves cost, greatly improves production efficiency, and is a brand new design thinking and manufacturing process.
Preferably, referring to fig. 7-9, the coupling hole 11111 is provided on the cylindrical portion 1111 and is an axial groove, and the base portion 1121 of the plastic portion 112 fills the coupling hole 11111 and extends outward to form the circumferential positioning portion 1122.
Preferably, referring to fig. 9, an end of the circumferential positioning portion 1122 facing the magnetic permeable assembly 12 is provided with a chamfer 11221 to facilitate the insertion of the circumferential positioning portion 1122 into the circumferential positioning slot 122 of the magnetic permeable assembly 12 during assembly.
Preferably, the number of circumferential positioning portions 1122 is one, or a plurality of circumferential positioning portions 1122 are evenly distributed in the circumferential direction, for example, the circumferential positioning portions 1122 are evenly distributed at 180 degrees when the number is two (see fig. 1 to 9), and are evenly distributed at 120 degrees when the number is three.
Preferably, the plastic part 112 includes a stator seat outer positioning step 1123 around the axis and disposed outside the cylindrical portion 1111, the stator seat outer positioning step 1123 is disposed on one axial side of the circumferential positioning portion 1122 and connected to one end of the circumferential positioning portion 1122, and a magnetic conducting assembly inner positioning step 123 is disposed inside the matching cavity 121 of the magnetic conducting assembly 12, so that the circumferential positioning portion 1122 is axially embedded into the circumferential positioning groove 122 and the stator seat outer positioning step 1123 abuts against the magnetic conducting assembly inner positioning step 123 to axially position the magnetic conducting assembly 12.
Preferably, the outer rotor motor includes a first bearing 13, the plastic part 112 is formed integrally by injection molding, the coupling hole 11111 radially penetrates the cylindrical part 1111, the base part 1121 of the plastic part 112 forms a stator seat first inner positioning step 1124 around the axis inside the cylindrical part 1111, the rotation shaft 23 cooperates with the first bearing 13 for rotation of the outer rotor 2, the first bearing 13 is fitted in a hollow inner cavity of the cylindrical part 1111 from one end opening of the cylindrical part 1111 and axially abuts against the stator seat first inner positioning step 1124 to axially position the first bearing 13.
Preferably, the cylindrical portion 1111 has a support step 11113 around the axis on the outer side, and the support step 11113 axially abuts against the stator seat outer positioning step 1123 to axially support the stator seat outer positioning step 1123. The support step 11113 is formed by bending the cylindrical portion 1111.
Preferably, the outer rotor motor includes a second bearing 14, a stator housing second inner positioning step 11112 is formed inside the cylindrical portion 1111 of the metal part 111, the rotation shaft 23 is engaged with the second bearing 14 for rotation of the outer rotor 2, the second bearing 14 is fitted in the hollow inner cavity of the cylindrical portion 1111 from one end opening of the cylindrical portion 1111 and is axially abutted against the stator housing first inner positioning step 1124 to axially position the first bearing 13. The stator holder outer positioning step 1123 is formed by bending the cylindrical portion 1111.
Preferably, the metal part 111 is formed by drawing, deep drawing, or rolling. The end 1112 of the metal portion 111 has a radially extending disk shape.
Preferably, the magnetic conductive assembly 12 may include a plastic base frame and a magnetic conductive metal block disposed on the plastic base frame for conducting a magnetic field, the windings being wound around the magnetic conductive assembly 12.
Preferably, the manufacturing process of the stator seat 11 specifically includes:
1. before injection molding, the metal part 111 of the stator base 11 is drawn (or drawn or rolled), and then the metal part 111 is placed in an injection mold, and the plastic part 112 is injection molded on the metal part 111.
2. The stretching and injection molding characteristics need to be strictly formed according to design requirements.
3. When the stator seat 11 is inserted into the magnetic conduction assembly 12, the chamfer 11221 of the circumferential positioning part 1122 of the plastic part 112 of the stator seat 11 is guided and pressed into the circumferential positioning groove 122 of the magnetic conduction assembly 12, and the circumferential positioning part 1122 is matched with the circumferential positioning groove 122, so that the torsion of the stator 1 is increased; the inner positioning step 123 of the magnetic conduction assembly is completely attached to the outer positioning step 1123 of the stator seat, and the bottom edge of the outer positioning step 1123 of the stator seat can be free of chamfering through injection molding.
4. The first inner positioning step 1124 of the stator seat is attached to the first bearing 13 to limit the axial movement of the first bearing 13.
5. The second inner positioning step 11112 of the stator seat is abutted against the second bearing 14 to limit the axial movement of the second bearing 14.
In summary, the structure of the stator base 11 of the outer rotor motor of the present invention is a new design concept and can adopt a new manufacturing process. The stator seat 11 has higher reliability of the circumferential positioning structure and strong torsion; various axial positioning structures realize accurate positioning of various parts. The design not only enables the tolerance stability of the parts to be better, but also saves the cost and greatly improves the production efficiency.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, as it will be apparent to those skilled in the art that various modifications, combinations and variations can be made in the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (12)
1. An external rotor motor is characterized by comprising a stator (1) and an external rotor (2), wherein the external rotor (2) comprises a shell (21), a magnet (22) arranged on the shell (21) and a rotating shaft (23) connected with the shell (21), the stator (1) comprises a stator seat (11) and a magnetic conduction assembly (12), the stator seat (11) comprises a metal part (111) and a plastic part (112) formed on the metal part (111) through injection molding, the metal part (111) comprises a cylindrical part (1111) and an end part (1112) arranged at one axial end of the cylindrical part (1111), the cylindrical part (1111) is parallel to the rotating shaft (23), and the rotating shaft (23) penetrates into a hollow inner cavity of the cylindrical part (1111);
be equipped with combination hole (11111) on metal part (111), plastics part (112) including fill in combine hole (11111) in basal portion (1121) and protrusion in axial circumference location portion (1122) in tube-shape portion (1111) outside, be equipped with cooperation chamber (121) on magnetic conduction subassembly (12), the inner wall in cooperation chamber (121) is equipped with axial circumference constant head tank (122), tube-shape portion (1111) cooperation is established in cooperation chamber (121) and circumference location portion (1122) axial embedding in circumference constant head tank (122).
2. The external rotor electric machine according to claim 1, wherein the coupling hole (11111) is provided on the cylindrical portion (1111) and is an axial groove, and the base portion (1121) fills the coupling hole (11111) and extends outward to form the circumferential positioning portion (1122).
3. The external rotor electric machine according to claim 1, characterized in that one end of the circumferential positioning part (1122) facing the magnetically conductive assembly (12) is provided with a chamfer (11221).
4. The external rotor electric machine according to claim 1, wherein the number of the circumferential positioning portions (1122) is one, or a plurality of and circumferentially evenly distributed.
5. The external rotor electric machine according to claim 1, characterized in that the plastic part (112) comprises a stator outer positioning step (1123) arranged outside the cylindrical part (1111), the stator outer positioning step (1123) is arranged on one axial side of the circumferential positioning part (1122) and a magnetic conducting assembly inner positioning step (123) is arranged inside the fitting cavity (121) of the magnetic conducting assembly (12) for axially embedding the circumferential positioning part (1122) into the circumferential positioning slot (122) and abutting the stator outer positioning step (1123) against the magnetic conducting assembly inner positioning step (123) for axially positioning the magnetic conducting assembly (12).
6. The external rotor electric machine according to claim 1, characterized in that it comprises a first bearing (13), the coupling hole (11111) radially penetrates the barrel (1111), the base (1121) forms a stator seat first internal positioning step (1124) inside the barrel (1111), the rotation shaft (23) cooperates with the first bearing (13), the first bearing (13) is fitted in the hollow internal cavity of the barrel (1111) from one end opening of the barrel (1111), and the shaft abuts against the stator seat first internal positioning step (1124) axially to position the first bearing (13).
7. The external rotor electric machine according to claim 1, characterized in that the cylindrical portion (1111) has a support step (11113) on the outside, and the support step (11113) axially abuts against the stator seat outer positioning step (1123) to axially support the stator seat outer positioning step (1123).
8. The external rotor electric machine according to claim 7, wherein the support step (11113) is formed by bending the cylindrical portion (1111).
9. The external rotor electric machine according to claim 1, characterized in that it comprises a second bearing (14), inside the cylindrical portion (1111) there is formed a stator seat second inner positioning step (11112), the rotation shaft (23) cooperates with the second bearing (14), the second bearing (14) is fitted in the hollow inner cavity of the cylindrical portion (1111) from one end opening of the cylindrical portion (1111) and axially abuts against the stator seat first inner positioning step (1124) to axially position the first bearing (13).
10. The external rotor electric machine according to claim 9, characterized in that the stator seat outer positioning step (1123) is formed by bending the cylindrical portion (1111).
11. The external rotor electric machine according to any of claims 1-10, wherein the metal portion (111) is formed by drawing, deep drawing or calendering.
12. The external rotor electric machine according to claim 1, characterized in that the end (1112) of the metal portion (111) is shaped as a radially extending disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110980109.6A CN113765268A (en) | 2021-08-24 | 2021-08-24 | External rotor motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110980109.6A CN113765268A (en) | 2021-08-24 | 2021-08-24 | External rotor motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113765268A true CN113765268A (en) | 2021-12-07 |
Family
ID=78791170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110980109.6A Pending CN113765268A (en) | 2021-08-24 | 2021-08-24 | External rotor motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113765268A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024160016A1 (en) * | 2023-02-01 | 2024-08-08 | 广东威灵电机制造有限公司 | Stator assembly and motor having same |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1520009A (en) * | 2003-01-29 | 2004-08-11 | 东京零件工业股份有限公司 | Small brushless motor |
| EP1705778A1 (en) * | 2005-03-24 | 2006-09-27 | Nidec Shibaura Corporation | Molded motor with stator grounding screw |
| CN105827046A (en) * | 2014-12-30 | 2016-08-03 | 建准电机工业股份有限公司 | Motor and cooling fan with same |
| US20170222503A1 (en) * | 2015-01-21 | 2017-08-03 | Zhongshan Broad-Ocean Motor Co., Ltd. | External rotor motor and air conditioner comprising the same |
| CN213906400U (en) * | 2020-11-11 | 2021-08-06 | 深圳拓邦股份有限公司 | Outer rotor assembly and outer rotor motor |
| CN215990376U (en) * | 2021-08-24 | 2022-03-08 | 深圳拓邦股份有限公司 | External rotor motor |
-
2021
- 2021-08-24 CN CN202110980109.6A patent/CN113765268A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1520009A (en) * | 2003-01-29 | 2004-08-11 | 东京零件工业股份有限公司 | Small brushless motor |
| EP1705778A1 (en) * | 2005-03-24 | 2006-09-27 | Nidec Shibaura Corporation | Molded motor with stator grounding screw |
| CN105827046A (en) * | 2014-12-30 | 2016-08-03 | 建准电机工业股份有限公司 | Motor and cooling fan with same |
| US20170222503A1 (en) * | 2015-01-21 | 2017-08-03 | Zhongshan Broad-Ocean Motor Co., Ltd. | External rotor motor and air conditioner comprising the same |
| CN213906400U (en) * | 2020-11-11 | 2021-08-06 | 深圳拓邦股份有限公司 | Outer rotor assembly and outer rotor motor |
| CN215990376U (en) * | 2021-08-24 | 2022-03-08 | 深圳拓邦股份有限公司 | External rotor motor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024160016A1 (en) * | 2023-02-01 | 2024-08-08 | 广东威灵电机制造有限公司 | Stator assembly and motor having same |
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